Bmw N52 Camshaft Bolt Torque

Like I said above the rubber guard on the crash bar inner is contoured to accommodate the Torx bolt you see at the back lower aspect of the cover similar to the 2017 redesign of the 1200 GSA’s bars. For locating camshaft in TDC position when checking or adjusting camshaft timing. CarComplaints. 5 750 54 Distributor gear x Exhaust camshaft 46 470 34 No. Step 1 - 55 ft lbs, step 2 - fully loosen, step 3 - 14. 8i, BMW Z4 3. In real world terms, if a head bolt needs 65 ft. The banjo bolt is a M12 hollow bolt, correct, given the crush washers (#5 in the diagram) have an ID of 12mm. Notes: Set, Engine code N52 or N52B30A. I removed the bolts as per the BMW guidelines and it is important to note that the 4 outer bolts must be removed first. The 335d has a 3. Six Siemens Deka 630 cc fuel injectors, 3. Bolts are designed to stretch, the torque figure used when tightening the bolt should be roughly between 60 and 90% of yield, which means that the bolt will want to return to its original length and thus apply a clamping load to the joint, depending on the amount of torque applied. N52 Belt Tensioner Replacement. ESS Tuning 6150 W. Continue tightening until next split pin slot aligns. torque the new bolt to 25Nm/18lbft. While there are many parts suppliers online, very few, if any take the time to research the brands they sell and, in many cases, these sites even try to hide the brand. You can see on the photo below, that VANOS (variable valve timing system) to intake camshaft bolts have broken and backed out, 3 of the 4 bolts are damaged and loose. Constant Tension T-Bolt Clamps Specs (1) 2. The new BMW R 1250 GS: concentrated performance meets impressive efficiency. BFLT60 Assenmacher Specialty Tools BMW T60 Torx Socket for Flywheel Bolts - 1/2" Drive, 140mm length. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series. This eliminates. BMW's N52 engine is one of its most successful, and most produced inline-6 engines. The camshaft is also of a hollow design, to save weight. For the S50B32, BMW M introduced a number of revisions to improve performance. The R56 with four 14mm bolts has a 140 N-m torque spec. Installation note: Replace screw (2). BMW Power 15+ HP gain & 12+ FT/LB of torque. Ventura, Ca 93003 www. BMW of North America, LLC (BMW) is recalling certain model year 2002-2005 325i, 325xi, 330i, and 330xi Sedans, and 325xi and 325i Sportswagons, 2002-2006 330Ci, 325Ci, and M3 Convertibles and 325i. Then rotate a further 90 degrees to. Torque wrench – BMW No. n51, n52, n55, s55, n20 bMW valvetronic engines. Fit special tool 11 4 280. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. Top Rated Plus. Do not slacken off until the next slot aligns! 60: 8. Bmw Exhaust - $1,900. Torque angle. 2007 BMW X3: 3. m) A/C Compressor Bolt 37 (50) Bypass Pipe Bolt 15 (21) Camshaft Gear Bolt 173 (234) Camshaft Thrust Plate Bolt 16 (22) Connecting Rod Cap Bolt (Angular Tightening Method) 1st Step 47 (64) 2nd Step Tighten Additional 30°. The VANOS sealing plug torque is 50 Nm (37 ft-lb). BMW has recalled some 489k vehicles globally, for a potential defective bolt in its six-cylinder cars' valvetrain system. info and BMW assume no liability for any loss or damage arising from the use or reliance on the information and. IMPORTANT: To open central bolts on adjustment units and camshafts. I am in the middle of installing a new oil pan gasket on my 128i - N52 engine. Applicable: BMW N62, N62TU, N73, E53, E60, E61, E63, E64, E65 C. For these engines the custom clutch and flywheel package is necessary. Engine / Mechanical - BMW E60 DIY. Fit's 3/8" drive torque wrench. 576 Distributor Clab Bolt (fixed bolt type) 30 0. 00 thread (fine thread) bolts about 2 inches long. 25l: Cooling system: 7. These instructions are located in the "BMW Tool Continue Reading. Bmw n52 cylinder head for sale. They were also used on some early N54 engines that have rubber mounts on the water pump housing. If you removed the block drain, install a new compression washer on the bolt, reinstall the bolt in the block, and torque to 25 Nm or 18 ft-lbs. The initial torque puts the bolts in tension and stresses the molecular lattice of the aluminum. The bolt is not sold separately, but part of a set head bolts P# 11127574303. ) Note: MAKE SURE THESE VALUES ARE CORRECT, ULTIMATELY YOU *1 = Loctite 243 : USE THESE AT YOUR OWN RISK! *2 = Loctite 648. [See Full Description Below]. First of all thank you for visiting E46valvecover. So is there any way I can tighten to 100 ft lbs, then tighten a certain number of turns past that to get to approx 180. compatible with n51, n52, n55, s55, n20 bMW valvetronic engines. For locating camshaft in TDC position when checking or adjusting camshaft timing. 7L) 13mm: 25 lbs-ft Engine Drain Plug (CRD) 8mm Allen: 25 lbs-ft Engine Skid 15mm Deep Socket: 45 lbs-ft Ignition Coil Mounting Nut 10mm: 6 lbs-ft Spark Plugs 5/8" Spark Plug Socket: 20 lbs-ft Tensioner Pulley 15mm: 30 lbs-ft Thermostat Housing Bolts 8mm: 9 lbs-ft Water. Comments: For N54 engine the bolt is a M9X70 steel bolt, that is not required to be replaced according to the Bentley manual, it is not TTY bolt like the rest of the head bolts. Free Same Day Store Pickup. Next, remove the camshaft and crankshaft locking tools. 15 Engines & Components for BMW 335i for sale | eBay Sat, 18 Jul 2020 09:51 Comments: The Service Engine Soon light. Torque (lbft) Torque (kgm) Drive shaft coupling U bolts (rubber cross inner joints) 8 to 12: 1. First: Torque all bolts in sequence to 15 Nm (11 ft. In this sense, the N52’s block construction resembles that of current BMW V-8 and V-12 engines, though these blocks are all-Alusil. With T-T-Y head bolts, the Torque-To-Angle Indicator (Part Number TRQ-1) should be used in conjunction with a torque wrench to achieve proper bolt loading. Battery and Connection Notes Replacement Changing Engine Oil Engine Covers Removal Drive Belt Replacement Drive Belt Tensioners Replacement Throttle Body Replacement Valvetronic Motor and Seal Replacement Coolant Pump Replacement Electric Water Pump Testing Intake Manifold Replacement N62. After reading an old posting today, however, I am starting to wonder if I should go in and re-torque it for peace of mind. 10, hot dip galvanized =. It is powered by a turbocharged engine of 2 litre capacity. Wednesday, January 6th, 2010 AT 7:12 PM. That a torque curve about as flat as Kansas! We build a lot of these engines for M3 owners who just want a hot street or track car. The N52B30 engine is rated 255bhp with 221 lb⋅ft of torque @ 6600rpm on BMW x 30i and 3. 7 litre version offered large amounts of low-end torque and surprising fuel economy for the displacement. To fit all R100 engines since. As BMW owners ourselves, we found it difficult to locate BMW OEM parts or factory parts at a fair price, and we noticed that lower-end products simply failed within a few months. The kit is developed around BMW's ZF model GS6-37BZ as used in the 330i, Z4 and new 5 Series. This is still a low enough torque that friction and stiction on the bolt threads affect tightening torque very little. The engines making 500 or more hp also make about as much torque, and the original BMW clutch will not hold. Engine (incl. 5 kg lighter, newly developed 4-cylinder in-line engine based on the S 1000 RR with further optimised mid-range power and ridability as well as new transmission gradation for the 4th – 6th gear. Once the valve cover is in place, go around the perimeter and make sure the gasket is still in place. The slower revving, long stroke 2. Tightening torque 11 36 1AZ. For tightening torque refer to 11 36 1AZ in 11 36 VARIABLE CAMSHAFT CONTROL (N52). B36 (E34 M5 '91>) P/N 11311312S38. Like I said above the rubber guard on the crash bar inner is contoured to accommodate the Torx bolt you see at the back lower aspect of the cover similar to the 2017 redesign of the 1200 GSA’s bars. BMW of North America, LLC (BMW) is recalling certain model year 2002-2005 325i, 325xi, 330i, and 330xi Sedans, and 325xi and 325i Sportswagons, 2002-2006 330Ci, 325Ci, and M3 Convertibles and 325i. My car is an E92 335i so your mileage may vary regarding installation notes:. Can also be used to fine tune the power band of the engine. Tighten central bolts (2 and 3) with special tool 00 9 120. com: Car complaints, car problems and defect information. Camshaft bearing cap x Cylinder head 15. com Key Features. This article can also be used as a guide for replacing the eccentric shaft sensor. There are two sensors per cylinder head to monitor the intake and exhaust camshaft positions. 06 Bmw 530xi E60 N52 Engine Motor Block Assembly 127k Oem A27. Through careful remapping to the BMW DME, Active Autowerke has increased the horsepower by over 15 for your BMW 325i or 330 with the N51/N52 motor. Ford Cosworth YB High Torque Fast Road & Track Clutch & Flywheel. com (thanks a ton, btw!). Bmw n52 cylinder head for sale. I used the. If all else fails and you cant find the torque spec above you can also look up the “M” size bolt standard in this BMW standard guide, and use that torque accordingly. frb 20/10/97 00 - General Instructions Type Screw Dimensio n Unit 00 00 Extract from company standard BMW N 600 02. 0si series vehicles (265bhp for 130i), but despite this rating, real world HP wheel gains are more conservative. Engineered specifically for BMW models, these power kits, exhaust systems, sport shifters, steering wheel readouts and carbon fiber tips deliver breathtaking results. First: Torque all bolts in sequence to 15 Nm (11 ft. 5 bhp (245 PS/180 kW) of power at 5000-6000 rpm, and maximum torque of 350 N·m (258 lb·ft/35. Do not exceed the maximum torque rating of 35 in-lbs (4N*M). For removal & replacement of flywheel bolts. There is a correlation between the tension in the bolt and the effort it takes to turn it. BMW Valvetronic eccentric shaft failure can happen suddenly. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. BMW may use socket head, correctly, for an Allen Headed screw. The R100S is the first BMW in Cycle’s history, and we suspect BMW’s history, that has covered the quarter-mile in less than 13 seconds. Remove the crankshaft and camshaft locking tools. The official BMW Parts and BMW Accessories site providing you with quality OEM products. It is a comprehensive master tool kit necessary to set cam, valve and VANOS timing on the following BMW engine families: N62 (V8) and N73 (V12). The N52B30 engine is rated 255bhp with 221 lb⋅ft of torque @ 6600rpm on BMW x 30i and 3. I used the. ABS / Speed Sensor; AC Compressor and Clutch; AC Compressor. Do not use these bolts if your N54 water pump has been replaced with a housing that does not have the rubber mounts. Repair Summary This article gives detailed instructions on replacing the valve cover gasket in a BMW E60 5 series vehicle with the N52 engine. The #1 goal of this site is to collect and provide information about the commonly replaced E46 valve cover also known as the E46 cylinder head cover. N52 Differences. These instructions are located in the "BMW Tool Continue Reading. uk from best manufacturers. BMW N52 6-Cylinder Broken Valve Cover Bolt and ValveTronic Motor Removal – E90, E60, Z4 – 323i, 325i, 330i, 525i, 530i, 2. Caliper Mounting Bracket torque spec 18mm bolt Caliper to nbsp 19 Mar 2010 hey could someone tell me the torque specs for the calipers and also the brake pad holders also those screws how tight should 2005 Subaru WRX STi for the rear i went 40 for the brackets and 22 for the caliper bolts Cannot find torque specs for rear caliper bolts. 15 Engines & Components for BMW 335i for sale | eBay Sat, 18 Jul 2020 09:51 Comments: The Service Engine Soon light. pressure wax as supplied on high strength nuts) =. 8,000 rpm, maximum torque 86 Nm at approx. This is BMW parts item 11 51 7 602 123 described as Water Pump Bolt - 11 51 7 602 123, which you can buy online at BimmerWorld at the best price. Search Car Torque Specifications by Engine or Model. Stage 2: Crosswise Torque to 25 Nm. Cam Gear Bolts. I think this will come in handy for a lot of you BWM DIYer’s doing an E46 valve cover or E46 valve cover gasket replacement and you just need the correct bolt torque and bolt sequence specs. N52 Equipped BMWs 2006+ 325i, 328i, 330i 128i. frb 20/10/97 00 - General Instructions Type Screw Dimensio n Unit 00 00 Extract from company standard BMW N 600 02. ENGINE BLOCK TORQUE SPECS Alternator Power Nut - 9ft-lb Alternator Pulley Lock nut - 81. 26 ft lbs of torque doesn't deform them, at least none that I've ever seen. I have the oil changes done at a local authorized BMW shop for half price using the same fluids and filters. bolt and cover. The official BMW Parts and BMW Accessories site providing you with quality OEM products. Best of luck with your 330i. Wish you good luck. It was also listed as one of Ward's 10 Best Engines in 2006 and 2007. As an example, Howards Cams' small-block hydraulic flat-tappet Max Torque camshaft (PN 112021) Chevy measures 222/232-degree duration on the intake and exhaust, respectively at 0. The engine mount bracket bolts on the N51 and N52 BMW engine were intended to have a service life of 8 to 10 years, but we have found they are prone to failure within 50,000 miles. Like all BMW motorcycle drives, this power train is based on a sophisticated overall design and a compact arrangement of all auxiliary assemblies as well as of the integrated, claw-clutch operated six-speed gearbox. 5si (N52): ticking noise from camshaft lifters In September 2009, BMW issued technical service bulletin SI B11 09 07 for E83 X3 2. - Timing pin to lock crankshaft at TDC while performing engine timing service - Rigid chain tensioner. NPS-BMW R1200GS. I'm assuming it has the revised torque specs for the N52 engines torque specs are a bit different) If it was one of the three smaller cylinder head to timing chain cover bolts (M9x30mm and M9x70mm), each is tightened to 15 Nm (11 ft-lbs) and then each is turned an additional 90-degrees. 0 Engine Motor Assembly 128,667 Miles N52b30a No Core Charge. It is a comprehensive master tool kit necessary to set cam, valve and VANOS timing on the following BMW engine families: N62 (V8) and N73 (V12). 50 / piece US $186. I chose 50Nm + 90degrees. WardsAuto editors tested it in a 340i xDrive all-wheel-drive sedan, where it is rated at 320 hp, up 20 hp from the N55 between 5,500-6,500 rpm, and 332 lb. 1AZ Upper and lower bearing strip of. Remove the sensor, 5mm Allen bolt. 15 180 degrees 180 degrees: Flywheel to crankshaft bolks: 85: 63: Oil Pressure switch: 12: 9: Sump bolts: 10: 7: Sump to gearbox. Most of the I-6 head bolts are non stretch. Was: Previous. Certain late model BMWs can experience a problem with the camshaft sprocket retention bolts failing. Like many of you I keep reading about my particular model years BMW with broken bolts. Lightly lubricate the thread on the bolts and also the head of the bolt and the washer. Our chart torque specs were compiled from BMW E46 3 Series (1999-2005) Service Manual by Bentley Publications. With the new BMW R 1250 GS you will experience the new Boxer even more directly. See #114290. ford/mazda wec - 1005 1183, 1105 1193. It is the first engine in the new N52 series which also includes N52B25. (14mm bolts have 36% more cross-sectional area. On ALH motors $6. Flywheel timing pin 1 – BMW No. ) Third:: Torque all bolts in sequence an additional 450 turn, Do Not Use A Torque Wrench. The inner 10 bolts are then removed in sequence working from the outside in. 00 thread (fine thread) bolts about 2 inches long. 60 ° 2AZ Chain drive module to cylinder head. For tightening torque refer to 11 36 1AZ in 11 36 VARIABLE CAMSHAFT CONTROL (N52). The torque spec is 22 nm with no jointing torque. The camshaft position sensor senses the retraction of camshaft (intake) to identify a particular cylinder. BMW E91 323i (N52): ticking noise from camshaft lifters In September 2009, BMW issued technical service bulletin SI B11 09 07 for E91 323i Touring vehicles with N52 engines that were produced prior to 31 November 2008. That's not the case with the N51 and N52. Constant Tension T-Bolt Clamps Specs (1) 2. Next, install you sparkplug coil leads. By far, the single biggest horsepower gain for any N51 or N52 is the BMW N52B30H0 Intake Manifold Conversion Kit for BMW 3-Series, 128i & Z4 [E82/E85/E89/E9X]. Lock Plate for exhaust cam gear P/N 11311305070. com INSTALLATION METHOD FOR HEAD STUD KITS Part Number: 201-4304 Application: BMW 1. Top output 64 kW/87 bhp at approx. Bmw n52 cylinder head for sale. Guide to performance tuning the M54 engine from BMW History of the M54 Engine. It is the first engine in the new N52 series which also includes N52B25. 0L 6 Cyl N52 : National Crankshaft Seal - Rear. Notes: Set, Engine code N52 or N52B30A. Distributor clamp bolt (nut trapped) 4 18G/18GA Distributor clamp bolt (bolt trapped) 2 to 3 18G/18GA Fan blade fixing screws 7 to 9 18G/18GA0 Crankshaft pulley nuts 70 All models Camshaft nut 60 to 70 All models Oil pipe banjo 37 max All models Front plate, 5/16 inch screws 20 All models Rear engine mounting bolt 38 to 40 All models. From Merrimac at this location has anyone have all the torque settings for our bike Here is a torque chart for BMW oil heads Jeff "S" Moore BMW Boxer Data R1100RT / R1100RS / R1100GS / R1100R / R850R Unit or Designation Data Spec. Engine (incl. Hydraulic Lifter. Insert screws dry. The R100S is the first BMW in Cycle’s history, and we suspect BMW’s history, that has covered the quarter-mile in less than 13 seconds. The Exhaust Cam Sensor is located on the front of the engine. Tighten central bolts (2 and 3) with special tool 00 9 120. Jointing torque. 66: Drive shaft nut (front hub, drum brakes). The new BMW R 1250 GS: concentrated performance meets impressive efficiency. 25, and plain non-plated bolts (as received) =. Jointing torque. 3AZ Guide rail to crankcase. Now comes time to torque the valve cover bolts. Resurfacing the cylinder head retards the camshaft timing. 5 bhp (245 PS/180 kW) of power at 5000-6000 rpm, and maximum torque of 350 N·m (258 lb·ft/35. The crank bolt problem has started surfacing more frequently as tuners have managed to squeeze a lot of torque in a very short rpm band. • Tighten the bolts of the camshaft pulleys and of the injection pump with a couple of 20 Nm. Machined for 1,3,5 and 7 degrees of offset. Continue tightening until next split pin slot aligns. At Advance Auto, we carry 17 different types of Valve Cover Bolt products for your BMW at competitive prices to fit your budget. Use Torque Wrench. For removal & replacement of flywheel bolts. The N52 in my opinion is the more advanced engine than the N54, for example it has a lighter magnesium-aluminium block and valvetronic which is missing on the forced induction N54 engine. This procedure covers the removal and re-installation of camshafts on the BMW M52tu and M54 engines. Camshaft is the same as: Camshaft replacement kit for ALH motors. Initially used a 1/2" air impact wrench with a max torque of 420 lb-ft; switched to a 3/4" impact, with a max torque of 700. Trust Plate. If you have an oil leak coming from your N52 motor it is a good chance a headbolt has let go and the rest are soon to follow. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. With an engine weight of just 59. Order Cylinder Head for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. For the S50B32, BMW M introduced a number of revisions to improve performance. Made to our design/specification by a supplier to the Formula 1 race teams, with the quality of workmanship which this demanding sport demands. Bmw specifies that the tool used should have no more than 2% accuracy so this tool meets the requirements. • Tighten the bolts of the camshaft pulleys and of the injection pump with a couple of 20 Nm. 0-liter twin-turbocharged diesel inline-6 that produces 265 hp and a massive 425 lb-ft of torque. This Genuine BMW tool is available from ECS Tuning (ES197937). This decreases the possibility of any incorrectly installed bolts of thewrong material (steel vs. Read reviews, browse our car. pressure wax as supplied on high strength nuts) =. It consists of a large holder bar (SIR Tools 3034-2 or BMW Tool "11 2 150") , a spacer piece (BMW Tool #11 2 410) and three bolts (that I bought). I'm sure there's software for this, but it can be done graphically by hand by plotting a surface development of the cam profile against shaft rotation, say 0 - 180 degrees. BMW E83 X3 2. BMW N62 N73 Engines. N52 is a naturally aspirated Inline-6 engine. The M54 engines have a camshaft adjustment for inlet and outlet side ( stepless double VANOS ). Notes: Set, Engine code N52 or N52B30A. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. The hydraulic VANOS piston to the camshaft splined shaft torque is 10 Nm (89 in-lb). You can see on the photo below, that VANOS (variable valve timing system) to intake camshaft bolts have broken and backed out, 3 of the 4 bolts are damaged and loose. This Chunky Cam Is the Easy Way to Monster Power. • Remove the timing and lock pins. Torque Tables for BMW F650 (Not GS) * HIGHLY Recommended, to avoid Stripping Thread : All values are in Nm. For the bolts, I brushed the threads making sure there's no debris on the threads and just dumped them into a container with motor oil and used them as needed. Re: How much torque and order of TH400 pan bolts? 10-11-02 08:38 PM - Post# 129447 In response to Hey there, According to my handy-dandy TH-400 repair manual, torque the pan bolts to 144 INCH-LBS. I'm assuming it has the revised torque specs for the N52 engines torque specs are a bit different) If it was one of the three smaller cylinder head to timing chain cover bolts (M9x30mm and M9x70mm), each is tightened to 15 Nm (11 ft-lbs) and then each is turned an additional 90-degrees. Initial torque is 8NM for these Aluminum bolts. Turn crankshaft two turns clockwise. Delivery can be arranged in the CPT and Surrounding areas. BMW N52 - Wikipedia BMW N52B30 engine reliability, problems and repair. Price: £650 (pair) exc. Torque wrench adapter for driveshaft bolts. ABS / Speed Sensor; AC Compressor and Clutch; AC Compressor. Butler/Comp Custom Cam & Lifter Master Kit Pontiac HR BPI-K-BP8022SP Price: $1,149. Camshaft alignment tool 2 – BMW No. I use crisscross pattern when tightening, but I hand-tight all bolts first to prevent gasket from twisting. 9 bolts, but they turned out to be too long so I had to add the nuts in the photos as a spacer. Thanks for your feedback Nadir, I don't have a torque wrench :p and these are size 10mm bolts of similar size, that's close to each other where I tighten with the same short 10mm wrench. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. There is another important thing, this is a MAGNESIUM engine block, all the aluminum bolt that you remove has to be discarded and new MUST be used. It is equipped by popular Double-VANOS camshaft. I bought M8x60mm; 12. You can see on the photo below, that VANOS (variable valve timing system) to intake camshaft bolts have broken and backed out, 3 of the 4 bolts are damaged and loose. Don't over tighten another bolt ever again! If you want a physical copy for the garage we formatted a printable copy available for download below. Order Cylinder Head for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. remove the timing cam wedge tool. (14mm bolts have 36% more cross-sectional area. Installation Torque Specs: 27 in-lbs (3N*M) recommended for all t-bolt and constant tension t-bolt clamps. Latest News. 00 thread (fine thread) bolts about 2 inches long. Next, install you sparkplug coil leads. 5si vehicles with N52 engines that were produced prior to 31 November 2008. Bolts Size Torque 5 12 100 4 12 120. Now the torque is as follows. Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. Machined for 1,3,5 and 7 degrees of offset. Tightening torque 11 36 1AZ. I released torque on each bolt first by rotating each bolt 45 deg anti-clockwise and then in 90 degree increments until all bolts were loose. This eliminates. M4x head bolts a stretch bolts. Do not slacken off until the next slot aligns! 60: 8. Camshaft alignment tool 2 – BMW No. How does VANOS work? BMW VANOS equipped engines have a cam gear that is independent of the intake and / or exhaust cam. The crank pulley bolt on my 2004 odyssey is rated to 180 ft lbs - my torque wrench only goes to 100 ft lbs - don't really want to buy a new one, or have to find one to rent. 2011 BMW 328I 3. Tap into your BMW's racing heritage with Original BMW M Performance Accessories. I removed the bolts as per the BMW guidelines and it is important to note that the 4 outer bolts must be removed first. Quality Engine Parts Supplier in New Zealand. 5L 6-Cyl BMW M54 2. The location is the same on the N52 and N55 engines, and depending on the chassis, more or less components may need to be removed in order to gain access. I use crisscross pattern when tightening, but I hand-tight all bolts first to prevent gasket from twisting. filter) 4 qt Engine (w/out filter) 3. 2019 BMW 540i Review and Specs, As piece of the BMW Efficient Dynamics group of energy units this 4-chamber wonder creates 248-hp and 258 lb-ft of torque for a powerful push that kicks in ideal from the begin. Car Crankshaft Seal Removal Tool and Rear Oil Seal Remover &Installer Tool Kit For BMW N40 N42 N45 N46 N46T N52 N53 N54 N55 US $199. 00! I reuse driveshaft bolts unless they are obviously bad. Fillable and printable Bolt Torque Chart 2020. We don’t torque them to factory specs so this issue won’t happen again. Rear wheel drive. But it still leaked. Release central bolt on inlet/exhaust adjustment units (1). The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series. Torque Wrenches and Sockets. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. The estimate to repair (a complete head gasket replacement) was about $3500. K values: waxed (e. I'm assuming it has the revised torque specs for the N52 engines torque specs are a bit different) If it was one of the three smaller cylinder head to timing chain cover bolts (M9x30mm and M9x70mm), each is tightened to 15 Nm (11 ft-lbs) and then each is turned an additional 90-degrees. Valvetronic is a variable valve timing system to offer continuous and precise control over. You will need a torque and an angle wrench beside the regular tools. Valvetronic was also added. Release central bolt on inlet/exhaust adjustment units (1). Made to our design/specification by a supplier to the Formula 1 race teams, with the quality of workmanship which this demanding sport demands. The first phase is to torque them down in the correct sequence to the. The #1 goal of this site is to collect and provide information about the commonly replaced E46 valve cover also known as the E46 cylinder head cover. Torque specs are 22ft# --> 90* --> 90* on all the bolts. M8x50mm should be ideal. ford/mazda fe/f8 - 1005 1022, 1105 1257. In this article I will show you how to replace a valve cover gasket on your E90, E91, E92 or E93 BMW 3-Series with N52N Engine. frb 20/10/97 00 - General Instructions Type Screw Dimensio n Unit 00 00 Extract from company standard BMW N 600 02. Torque Tables for BMW F650 (Not GS) * HIGHLY Recommended, to avoid Stripping Thread : All values are in Nm. My actual load in the logs is over 175. Control arm bolts are also often used to align your vehicle, and have to remain tight after alignment to ensure your suspension stays aligned. BFLT60 Assenmacher Specialty Tools BMW T60 Torx Socket for Flywheel Bolts - 1/2" Drive, 140mm length. Top Rated Plus. The N52B30 engine has 6 cylinders and is totally different from previous versions of M54B30. I was able to remove the sprocket but leave it attached to the timing chain. The above chart outlines specifications for the different types of the BMW Z4. The largest BMW forum with the latest BMW news. Valvetronic was also added. While the head bolts are being torqued to the specified value, the technician can use the TRQ-1 tool to accurately measure the degrees of additional rotation required. Do not slacken off until the next slot aligns! 60: 8. BMW Valvetronic eccentric shaft failure can happen suddenly. You can see on the photo below, that VANOS (variable valve timing system) to intake camshaft bolts have broken and backed out, 3 of the 4 bolts are damaged and loose. The R56 with four 14mm bolts has a 140 N-m torque spec. Important! – Left hand threads!. So sequence still the same middle out in an x pattern. When torqueing the upper bolt, use a value of 100 Nm. BMW 2002 and other '02 BMW 2002ti and BMW 1600ti Owners Group BMW 2002 Turbo BMW Neue Klasse Discussion BMW 1600GT Discussion BMW 700 Discussion BMW 2002 and Neue Klasse Events Project Blogs Project Blogs - Archive FAQ Articles Construction Zone Regional Groups. The location is the same on the N52 and N55 engines, and depending on the chassis, more or less components may need to be removed in order to gain access. Guide to performance tuning the M54 engine from BMW History of the M54 Engine. Cam Position Sensor Bolt Caution on Detroit Diesel DD13 & 15 Engines; Cylinder Head Torque for 2007-2014 BMW 3. Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual!; Bolt size Low Grade Grade 8. Don't over tighten another bolt ever again! If you want a physical copy for the garage we formatted a printable copy available for download below. N52 Differences. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). 5ft lbs of torque. I released torque on each bolt first by rotating each bolt 45 deg anti-clockwise and then in 90 degree increments until all bolts were loose. BMW N52 Tuning "All you need to know about performance tuning the BMW N52 engine!" The N52 replaces the M54 and had a lighter engine block, an electric water pump and variable flow oil pump. These heads have 3 tightening phases. Courtesy of BMW OF NORTH AMERICA, INC. 00 bolt, the book recommends 10Nm. N52 330i head bolt issue Hey guys, I just wanted you all to know I had the common issue where the head bolt head snaps off due to over torquing at the factory. 2011 BMW 328I 3. com Key Features. This article can also be used as a guide for replacing the eccentric shaft sensor. N52 is a naturally aspirated Inline-6 engine. The N52 is really under appreciated because it's not a turbo, which is all the fanboys fawn over these days - IMO, it pisses all over all the other N/A 24v motors, aside from the M versions. These clamps have an operating range of 18-35 in-lbs (2-4N*M). BMW 3 Series 2006 - Find out the correct alloy wheel fitment, PCD, offset and such specs as bolt pattern, thread size(THD), center bore(CB) for BMW 3 Series 2006. This is BMW parts item 11 51 7 602 123 described as Water Pump Bolt - 11 51 7 602 123, which you can buy online at BimmerWorld at the best price. This camshaft kit aids in assembly of 6 cylinder BMW N52 engines produced from 2004 to the present. Order BMW 328i Valve Cover Gasket online today. The camshaft position sensor senses the retraction of camshaft (intake) to identify a particular cylinder. These bolts are torqued to 10nM. 0L, BMW E82 128i, BMW E83 M54 3. This decreases the possibility of any incorrectly installed bolts of thewrong material (steel vs. Oil filter torque 25Nm Drain plug torque 8Nm (25Nm for AWD) Replacing N52 and N51. Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. 11 31 Camshaft Type. So I need a solution how torque the cylinder head and also how to torque the big ends bearings. 2019 BMW 540i Review and Specs, As piece of the BMW Efficient Dynamics group of energy units this 4-chamber wonder creates 248-hp and 258 lb-ft of torque for a powerful push that kicks in ideal from the begin. 0si series vehicles (265bhp for 130i), but despite this rating, real world HP wheel gains are more conservative. Camshaft is the same as: Camshaft replacement kit for ALH motors. These are used on all 325i, 328i, and 330i with the BMW N51 N52 and N53 engines. Most of the I-6 head bolts are non stretch. If the bolt resembles the bolt head in callout 3, or any other bolt not matching any of the 3, use the following torque specifications. The hydraulic VANOS piston to the camshaft splined shaft torque is 10 Nm (89 in-lb). Initial torque is 8NM for these Aluminum bolts. The torque spec is 22 nm with no jointing torque. Make sure the gasket on the bolts and the seating area are clean. The seals fitted to the pistons within the Vanos unit wear prematurely. Caution! Tighten central bolt (1) to jointing torque. For tightening torque refer to 11 31 5AZ in 11 31 CAMSHAFT (N52). ENGINE BLOCK TORQUE SPECS Alternator Power Nut - 9ft-lb Alternator Pulley Lock nut - 81. BMW N52 Tuning "All you need to know about performance tuning the BMW N52 engine!" The N52 replaces the M54 and had a lighter engine block, an electric water pump and variable flow oil pump. BMW's TIS manual recommends 9Nm or torque on the valve cover bolts. Initially used a 1/2" air impact wrench with a max torque of 420 lb-ft; switched to a 3/4" impact, with a max torque of 700. To fit all R100 engines since. Total cost – $10 from my local Ace Hardware store (which happens to have the best spare bolt, nut, screw selection i’ve ever seen). This is your daily dose of BMW infomation related to the BMW M3, M5, BMW 3 series, BMW X1, X3, X5, X6, X7, BMW 1. As BMW owners ourselves, we found it difficult to locate BMW OEM parts or factory parts at a fair price, and we noticed that lower-end products simply failed within a few months. B36 (E34 M5 '91>) P/N 11311312S38. Stage 2: Crosswise Torque to 25 Nm. I released torque on each bolt first by rotating each bolt 45 deg anti-clockwise and then in 90 degree increments until all bolts were loose. 0L 6-Cyl: BMW M60 V8: BMW N52 2. Bmw specifies that the tool used should have no more than 2% accuracy so this tool meets the requirements. Torque wrench adapter for driveshaft bolts. 0 The maximum tightening torques are: Only applicable to shaft screws with metric standard and fine threads acc. 2008 Bmw X3 3. 06 Bmw 530xi E60 N52 Engine Motor Block Assembly 127k Oem A27. Camshaft Position Sensor Cylinder Bank 5-8 2. P0011 Code: “A” Camshaft Timing Over Advanced (Bank 1) The camshaft angle is only adjustable on engines that have a technology called variable valve timing (VVT). We don’t torque them to factory specs so this issue won’t happen again. 3 wasn’t really up to the job, in the E30 shell, as a flagship model. 0l: Differential: 1. However, both will be required to cover the entire range. 9L 4-Cyl BMW M50 2. Heres the vanos bolt,,,notice the bolt threads are missing,,,the rest of the bolt is stuck inside the intake camshaft,,,,so during the accident the oil cooler got damaged,,,,and all the oil ran out of the engine while it was running,,,so the first thing to go was the intake camshaft locked up inside the cylinder head,,,,breaking away the vanos. Camshaft bearing cap x Cylinder head 15. If you service these engines on a regular basis you’ll appreciate the con-venience of a calibrated plug socket adapter, pre-set to the correct torque. A light weight, heavy duty, single plate disc capable of holding up to 800 ft/lbs of torque is used. Delivery can be arranged in the CPT and Surrounding areas. com Key Features. 0L L6 Turbo; 2013 BMW X3 Sport Utility 3. Can also be used to fine tune the power band of the engine. engine image by goce risteski from Fotolia. • The bolts have not to be at the end of grooves on the sprockets. If the camshaft is out, you can clamp its tail in soft vice jaws, nose upwards, lube the bearing flange, install a. The crankshaft was responsible for spinning gears which spins the cams which controls timing. 4AZ Guide rail to cylinder head. It is the further development of the BMW M52 and was replaced in 2004 by the BMW N52. Remove the crankshaft and camshaft locking tools. 5” Constant-Tension T-Bolt Clamp (7) 3. 10, hot dip galvanized =. 8i, BMW Z4 3. Engine Mount Bracket Bolt Set. BMW has recalled some 489k vehicles globally, for a potential defective bolt in its six-cylinder cars' valvetrain system. 345 Engine (848cc, 998cc) Fastener Torque (lbft) Torque (kgm) Camshaft Nut 60 to 70 8. As an example, Howards Cams' small-block hydraulic flat-tappet Max Torque camshaft (PN 112021) Chevy measures 222/232-degree duration on the intake and exhaust, respectively at 0. Important! – Left hand threads!. ) Second: Torque all bolts in sequence to 27 Nm (20 ft. N52/N54 Overlook If you are reading this you maybe wondering what is a N52 or N54? These are motor designations that fall in certain BMW models. Here at Advance Auto Parts, we work with only top reliable Valve Cover Bolt product and part brands so you can shop with complete confidence. 3 Block Drain Bolt - 61ft-lb Connecting Rod Bolts - 18ft-lb + 90* Crankshaft Pulley Bolt - 181f. With an engine weight of just 59. For R and R of flywheel bolts. These heads have 3 tightening phases. The variable camshaft control system BMW ShiftCam ensures superior power delivery – in the high and low-engine speed ranges. N52 tune N52 tune. US Torque (Nm/rpm) M3 / M roadster - M coupe 355 / 340 Nm @ 4900 rpm The damper is secured by 4 bolts. The 335d has a 3. BFLT60 Assenmacher Specialty Tools BMW T60 Torx Socket for Flywheel Bolts - 1/2" Drive, 140mm length. It will settle a bit after a rest period, which is why you verify the torque after the rest. com CLICK HERE TO BUY YOUR NEXT CAR PARTS FROM MY AMAZON STORE https://www. The exhaust hub contains two tabs that drives the Vanos oil pump disk holes. 5 160 12 Camshaft timing gear x Intake camshaft 73. This eliminates. Before refitting the camshaft, coat the bearing surfaces liberally with clean engine oil. Make sure to support the camshafts with a wrench on the hex section of the cams while torquing. 5 kg lighter, newly developed 4-cylinder in-line engine based on the S 1000 RR with further optimised mid-range power and ridability as well as new transmission gradation for the 4th – 6th gear. I bought M8x60mm; 12. BMW may use socket head, correctly, for an Allen Headed screw. Insert screws dry. Best of luck with your 330i. For VANOS disassembly instructions please refer to steps 1 thru 48 of the "GAS BMW M54 Master Cam Timing Tool Kit Instructions". the previous 3500 rpm. frb 20/10/97 00 - General Instructions Type Screw Dimensio n Unit 00 00 Extract from company standard BMW N 600 02. Where To Download N52 Engine Cooling of the BMW N53 in 2007. Heres the vanos bolt,,,notice the bolt threads are missing,,,the rest of the bolt is stuck inside the intake camshaft,,,,so during the accident the oil cooler got damaged,,,,and all the oil ran out of the engine while it was running,,,so the first thing to go was the intake camshaft locked up inside the cylinder head,,,,breaking away the vanos. It was also listed as one of Ward's 10 Best Engines in 2006 and 2007. 2L 2008, Cylinder Head Bolt Set by AJUSA®. You must also remember torque specs of a bolt are based in the diameter, thread pitch, and hardness of the bolt. They are quite difficult to turn on the last phase, but thats normal. In this article I will show you how to replace a valve cover gasket on your E90, E91, E92 or E93 BMW 3-Series with N52N Engine. BMC B Series 4-Cyl (MGA Twin Cam) BMW K1200 RS Motorcycle 1171cc 4-Cyl BMW M10, M12, S14 1. I originally had the BMW Performance Strut Brace but didn’t feel it added a lot, so when the M3 parts were released the BMW Performance brace was sold and the M3 brace purchased. The N52 is really under appreciated because it's not a turbo, which is all the fanboys fawn over these days - IMO, it pisses all over all the other N/A 24v motors, aside from the M versions. Jointing torque. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. 50 / piece US $186. 02/ea: Camshaft Replacement Kit (ALH) Camshaft replacement kit for ALH motors. frb 20/10/97 00 - General Instructions Type Screw Dimensio n Unit 00 00 Extract from company standard BMW N 600 02. compatible with n51, n52, n55, s55, n20 bMW valvetronic engines. This page is about the BMW motorcycle models R26, R27, R50, R60, R69, R50/2, R60/2, R50S, R69S, R50/US, R60/US, R69US. It is a comprehensive master tool kit necessary to set cam, valve and VANOS timing on the following BMW engine families: N62 (V8) and N73 (V12). Don’t grease the threads. The N52B30 engine has 6 cylinders and is totally different from previous versions of M54B30. 5 bhp (245 PS/180 kW) of power at 5000-6000 rpm, and maximum torque of 350 N·m (258 lb·ft/35. Six Siemens Deka 630 cc fuel injectors, 3. to BMW N 600 02. I'm assuming it has the revised torque specs for the N52 engines torque specs are a bit different) If it was one of the three smaller cylinder head to timing chain cover bolts (M9x30mm and M9x70mm), each is tightened to 15 Nm (11 ft-lbs) and then each is turned an additional 90-degrees. camshaft (steel screw) N52. Bmw specifies that the tool used should have no more than 2% accuracy so this tool meets the requirements. 0L 6-Cyl: TA 14-Bolt Pattern: Buick 401 Nailhead V8: Buick 425. I'm sure there's software for this, but it can be done graphically by hand by plotting a surface development of the cam profile against shaft rotation, say 0 - 180 degrees. Total cost – $10 from my local Ace Hardware store (which happens to have the best spare bolt, nut, screw selection i’ve ever seen). N52 Belt Tensioner Replacement. I'm assuming it has the revised torque specs for the N52 engines torque specs are a bit different) If it was one of the three smaller cylinder head to timing chain cover bolts (M9x30mm and M9x70mm), each is tightened to 15 Nm (11 ft-lbs) and then each is turned an additional 90-degrees. 3AZ Guide rail to crankcase. 0 N52 / N52K / N53. The rest (55 ft. Tightening specification. Be careful and since I don't know what bolts you are currently using I can't give you a torque. rotor rear tire Thank you. Save on cost when you find your BMW replacement Valve Cover Bolt with us. BMW E90 E91 E92 E93 Valve Cover Gasket Replacement DIY N52N Engine. Alfa Romeo Twin Cam 1600cc 1. The camshaft is also of a hollow design, to save weight. Applicable: E34 and E39 [V8] 4. Our chart torque specs were compiled from BMW E46 3 Series (1999-2005) Service Manual by Bentley Publications. 576 Distributor Clab Bolt (fixed bolt type) 30 0. Jointing torque and angle of rotation must be. 32 Idle Speed Control. It looks like my screen grab is the worst case scenario, but with the changing lever arm to point of contact, you should really repeat this for sever angles of cam rotation. In real world terms, if a head bolt needs 65 ft. Before we dive into the video, here is a nutshell what the Valvetronic system is and how it works. filter) 4 qt Engine (w/out filter) 3. Insert screws dry. Ford Twin Cam 135T 12 Bolt Crank 184mm Race. Through careful remapping to the BMW DME, Active Autowerke has increased the horsepower by over 15 for your BMW 325i or 330 with the N51/N52 motor. The #1 goal of this site is to collect and provide information about the commonly replaced E46 valve cover also known as the E46 cylinder head cover. Rotate the crankshaft counterclockwise half turn, positioning the crankshaft damper spoke at 12 o’clock and the timing mark indentation at 1 o’clock. BFLT60 Assenmacher Specialty Tools BMW T60 Torx Socket for Flywheel Bolts - 1/2" Drive, 140mm length. Camshaft Position Sensor Cylinder Bank 1-4 5. Torque camshaft cap bolts in sequence to 89 Lb-in 13. Close up Unplug the wires from the sensor. Order Cylinder Head for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. ENGINE BLOCK TORQUE SPECS Alternator Power Nut - 9ft-lb Alternator Pulley Lock nut - 81. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. Camshaft Position Sensor O-ring. BMW of North America said it is voluntarily recalling about 156,137 2010-2012 model-year vehicles in the United States because of a potential defect with the variable camshaft timing. 8 mm stainless steel decompression plate and two new head gaskets,. Whether in the city, on the. IMPORTANT: To open central bolts on adjustment units and camshafts. 0i, BMW Z4 3. I bought M8x60mm; 12. 02/ea: Camshaft Replacement Kit (ALH) Camshaft replacement kit for ALH motors. 576 Distributor Clab Bolt (fixed bolt type) 30 0. The set includes camshaft locking tool, VANOS alignment plate, flywheel locking pin Suitable for BMW 2. The crank pulley bolt on my 2004 odyssey is rated to 180 ft lbs - my torque wrench only goes to 100 ft lbs - don't really want to buy a new one, or have to find one to rent. BMW's N52 engine is one of its most successful, and most produced inline-6 engines. Initial torque is 8NM for these Aluminum bolts. N52 330i head bolt issue Hey guys, I just wanted you all to know I had the common issue where the head bolt head snaps off due to over torquing at the factory. Release central bolt (1) of exhaust camshaft. Caution! Tighten central bolt (1) to jointing torque. Applicable: BMW N62, N62TU, N73, E53, E60, E61, E63, E64, E65 C. Here at Advance Auto Parts, we work with only top reliable Valve Cover Bolt product and part brands so you can shop with complete confidence. Engine / Mechanical - BMW E60 DIY. Car Crankshaft Seal Removal Tool and Rear Oil Seal Remover &Installer Tool Kit For BMW N40 N42 N45 N46 N46T N52 N53 N54 N55 US $199. Reinstall the studs at the rear of the cylinder head and reassemble the valve cover and other items removed. Cam Bolts, High Performance, Black Oxide, 5/16 in. These are used on all 325i, 328i, and 330i with the BMW N51 N52 and N53 engines. So is there any way I can tighten to 100 ft lbs, then tighten a certain number of turns past that to get to approx 180. WardsAuto editors tested it in a 340i xDrive all-wheel-drive sedan, where it is rated at 320 hp, up 20 hp from the N55 between 5,500-6,500 rpm, and 332 lb. This is a design defect, and well know in professional BMW service circles. Insert screws dry. The Exhaust Cam Sensor is located on the front of the engine. It is the first engine in the new N52 series which also includes N52B25. Wish you good luck. filter) 4 qt Engine (w/out filter) 3. The inner 10 bolts are then removed in sequence working from the outside in. Lightly lubricate the thread on the bolts and also the head of the bolt and the washer. NPS-BMW R1200GS. I torqued the original bolts back down in a Z pattern to make sure the valve cover was torque evenly on the cylinder head. At 9psi, the $7995 kit is good for around 295whp at 6250rpm, with 275 lb/ft at 5000rpm - a good turbo kit will get you a fat torque curve. com CLICK HERE TO BUY YOUR NEXT CAR PARTS FROM MY AMAZON STORE https://www. Comments: For N54 engine the bolt is a M9X70 steel bolt, that is not required to be replaced according to the Bentley manual, it is not TTY bolt like the rest of the head bolts. The exhaust hub contains two tabs that drives the Vanos oil pump disk holes. 0L 6-Cyl BMW S14 4-Cyl (M3) BMW S54 6-Cyl BMW S85 V10 BMW V8. The Nissan / Datsun L28 is a carbureted 2. Torque camshaft cap bolts in sequence to 89 Lb-in 13. remove the timing cam wedge tool. The VANOS unit is designed as an integral component of the chain drive and is secured to the respective camshaft with a central bolt. Valvetronic was also added. The crank bolt problem has started surfacing more frequently as tuners have managed to squeeze a lot of torque in a very short rpm band. The 90 degree final turn takes the bolts into the yield strength stress on the aluminum which gives a consistent tension on each of the bolts. Torque wrench – BMW No. Order Cylinder Head for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Search Car Torque Specifications by Engine or Model. It looks like my screen grab is the worst case scenario, but with the changing lever arm to point of contact, you should really repeat this for sever angles of cam rotation. 2 out of 5 stars 30 $19. Then you are done. Release central bolt on inlet/exhaust adjustment units (1). The estimate to repair (a complete head gasket replacement) was about $3500. Most of the I-6 head bolts are non stretch. 0L L6 Turbo; 2013 BMW X3 Sport Utility 3. with Al Helicoil. 576 Alternator (16ACR) Shaft nut 25 to 30 3. M30 11/78> P/N 11318606. (450 Nm) of torque from a low 1,380. Battery and Connection Notes Replacement Changing Engine Oil Engine Covers Removal Drive Belt Replacement Drive Belt Tensioners Replacement Throttle Body Replacement Valvetronic Motor and Seal Replacement Coolant Pump Replacement Electric Water Pump Testing Intake Manifold Replacement N62. 00 bolt, the book recommends 10Nm. Top output 64 kW/87 bhp at approx. The BMW dealer took a look and discovered a broken cylinder head bolt near the oil filter. org is the source for sharing knowledge and information about enjoying, caring for, maintaining, repairing and owning the BMW 5-series and 7-series automobiles. N52 is a naturally aspirated Inline-6 engine. Make Liter CID Engine Model Year Rod Torque Main Torque Cylinder Head Bolt Torque ACURA 1. My original bolts for the M44 head were stretch and I swapped to shaved M3 bolts that are non stretch and can be used multiple times. N52 Equipped BMWs 2006+ 325i, 328i, 330i 128i. 7 psi) and some 15-25. Bmw specifies that the tool used should have no more than 2% accuracy so this tool meets the requirements. My actual load in the logs is over 175. Visually the N51 and N52 are identical. Camshaft alignment tool 3 – BMW No. (5) Tighten girdle to cylinder block bolts in sequence, in four steps: Tighten bolts 1 through 10 to 22-28 N-m (17-20 Lb-Ft). Australian Owners Club BayArea02 Canada Chicago '02 Group Florida Georgia Mid-Atlantic. nathansbmwworkshop. Retards cam timing for a noticeable increase in torque from 2000-4000 RPM. IMPORTANT: To open central bolts on adjustment units and camshafts. BMW E92 M3 Strut Brace Installation on 335i.