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BMW Drive Belts & V-Belts

Your BMW's drive belts are wear items, and will degrade and crack over time. Don't wait until you have a belt failure... don't get stranded! Replacing your BMW's belts, such as the alternator belt, power steering belt, air conditioning AC belt, or serpentine belt is a low cost insurance policy to preventing a break down -- or worse, engine damage. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.

While also inspecting your serpentine belts, also check for wear or resistance in the pulleys. The tensioner pulley and deflection pulley are the primary sources for belt squealing. The rubber-isolated pulleys can also break apart, leading to total belt failure. We sell the tensioner and deflection pulleys for the M50 engine family used in the E34, E36, E39, E46, X5, Z3, and Z4.

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Bremmen Parts - Corporate Logo
T#:32350850
Part#: 11287557851
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Bremmen Parts - Corporate Logo
T#:32350851
Part#: 11288604266
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Schwaben - Corporate Logo
T#:387204
Part#: 020023SCH01A
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Featuring a T60 Torx head, the belt tensioner found on the N54/N55 engine has exceptionally tight quarters. Use of this tool will allow access to the lock pin hole without excessive component removal, making belt removal and installation a much easier task.

This tool fits all N54/N55 powered BMW, including: 
2008+ E82 BMW 135i 1M Coupe 
2014+ F22 BMW M235i 
2006+ E90 BMW 335i 335xi 335i xDrive - Sedan 
2007+ E92 BMW 335i 335is 335xi 335i xDrive - Coupe 
2007+ E93 BMW 335i - Convertible 
2012+ F30 BMW 335i 335i xDrive - Sedan 
2013+ F32 BMW 435i 435i xDrive - Coupe 
2014+ F34 BMW 335i xDrive GT - Gran Tourismo 
2015+ F80 BMW M3 - Sedan 
2015+ F82 BMW M4 - Coupe 
2015+ F83 BMW M4 - Convertible 
2006-2010 E60 BMW 535i 535xi 535i xDrive 
2010+ F07 BMW 535i GT, 535i xDrive GT 
2011+ F10 BMW 535i 535i xDrive 
2012+ F13 BMW 640i 
2009+ F01 BMW 740i 740li 
2011+ F25 BMW X3 xDrive35i 
2007-2013 E70 BMW X5 xDrive35i 
2007-2014 E71 BMW X6 xDrive35i 
2009+ Z4 BMW Z4 sDrive35i Z4 sDrive35is 

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Bremmen Parts - Corporate Logo
T#:32450133
Part#: 11288570439
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T#:26305100
Part#: 11281433571
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Bremmen Parts - Corporate Logo
T#:29101657
Part#: 11287563927
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T#:26305073
Part#: 11287556251
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Schwaben - Corporate Logo
T#:23913945
Part#: 003582SCH01A
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BMW M57 Diesel Crank Pulley Turning Tool is essential for precise handling and adjustment of the crankshaft pulley in BMW diesel engines, including the N47, N57, and M57 models. This high-quality tool ensures accurate turning of the crankshaft pulley, facilitating easier maintenance and repairs.

  • Precision Engineering: Designed specifically for BMW M57 diesel engines for accurate pulley adjustment.
  • Compatibility: Fits various BMW diesel engines including N47, N57, and M57 models.
  • Durable Construction: Built to withstand the demands of automotive maintenance and repair.
  • Enhanced Efficiency: Simplifies crankshaft pulley turning, making engine service tasks more straightforward.

For a comprehensive tool kit, search for T#23913947.

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Bremmen Parts - Corporate Logo
T#:32450136
Part#: 11288673720
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T#:32350878
Part#: 11287594969
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T#:34080699
Part#: 11287578674
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T#:32450132
Part#: 11287549873
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T#:32350880
Part#: 11287512758
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T#:39497969
Part#: 11287530314
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This tensioner keeps the belt for the alternator, power steering, and air conditioning taut to provide maximum performance of each system.
Bremmen Parts - Corporate Logo
T#:36913367
Part#: 11281717210
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Also known as a shock damper, the accessory belt tensioner is used to tension the air conditioning compressor belt. This ensures proper contact with the belt drive pulleys and prevents premature wear from improper tension.

If your belt is wearing prematurely or has excess slack, your belt tensioner may be to blame. Replace it with this high-quality Bremmen Parts tensioner to ensure proper tension and air conditioning functionality.

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Bremmen Parts - Corporate Logo
T#:34080698
Part#: 11287578675
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Dinan - Corporate Logo
T#:21078443
Part#: D561-0005
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$ 57.56 USD
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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt attaches to the power steering and air conditioner.
Dinan - Corporate Logo
T#:21078444
Part#: D561-0006
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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt drives the alternator and water pump.

Schwaben - Corporate Logo
T#:584104
Part#: 024570SCH01A
Ships on Sep 1, 2026
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Pair of essential main pulley tools designed for MINI vehicles
Bremmen Parts - Corporate Logo
T#:32450135
Part#: 11287790448
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E9X M3 6/2008+ Dinan Underdrive Pulley Kit
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Dinan - Corporate Logo
T#:389532
Part#: D560-0004
Ships in 6 Business Days
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Dinan - Corporate Logo
T#:21078436
Part#: D560-0001
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$ 404.96 USD
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Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent, reducing parasitic drag on the engine for a 6 HP @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft. The kit includes all of the necessary mounting hardware, a lightweight pulley, and shorter belts. This product is backed by our industry-leading 4 year/50,000 mile warranty so you can rest assured that you are purchasing the best quality product for your BMW. Features: All accessories are underdriven by 13% to decrease drag on the engine. Lightweight billet aluminum crankshaft pulley, black anodized and engraved. Includes mounting hardware and shorter belts.
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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) ...
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Dinan - Corporate Logo
T#:586064
Part#: D561-0002
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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) is an essential component designed specifically for the Underdrive Pulley Kit. This belt is one of the two required for optimal performance of the kit.

  • Designed for Precision: Tailored to fit the BMW E9X M3 Underdrive Pulley Kit perfectly.
  • High-Quality Construction: Built to withstand the demands of high-performance driving.
  • Optimal Performance: Ensures smooth operation and reliable power delivery.
  • Easy Replacement: Simple to install, making maintenance straightforward.
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Dinan - Corporate Logo
T#:586065
Part#: D561-0007
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$ 86.30 USD
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Bremmen Parts - Corporate Logo
T#:26305076
Part#: 11287535860
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Bremmen Parts - Corporate Logo
T#:30629659
Part#: 11281748131
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This pulley is mounted along with the hydraulic belt tensioner but can be replaced on its own. It is used for the main drive belt on the M50-M54 family engines (M50, M50TU, M52, S52, M52TU, M54, M56, and S54 engines). This is the same belt that covers the water pump/alternator/power steering systems. Replacement is a very easy procedure (requires fan removal) and will have your engine purring in no time. Belt replacement is strongly recommended at the same time. If you have a mechanical belt tensioner, the pulley can only be replaced with a new tensioner.

This high-quality replacement from Bremmen Parts is designed for exact fitment on your BMW. Whether you're looking to complete much-needed preventative maintenance, or replacing a failed roller, choose this component from Bremmen Parts for a lasting repair.

If you need the hydraulic belt tensioner, click here.

This item is 70mm Diameter. Please check the diameter before ordering.

This tensioner pulley fits the following BMWs: 1991-1995 E34 525i (M50 engine) 1992-1999 E36 325i, 325is, 328i, 328is, 323is 1995-1999 E36 M3 (M3 3.0 & M3 3.2 liter) 1997-2003 E39 525i, 528i, 530i - Only for Hydraulic Tensioner 1999-2000 E46 323i, 323Ci, 328i, 328Ci - Only for Hydraulic Tensioner 2001-2005 E46 325i, 325Ci, 325xi, 330i, 330Ci, 330xi - Only for Hydraulic Tensioner 2001-2006 E46 M3 coupe & convertible - Only for Hydraulic Tensioner 2000-2006 X5 3.0 liter (E53 chassis) 2004 E60 525i, 530i (M54 engine) 1997-2002 Z3 & MZ3 2.5, 2.8, 3.0, M Roadster, M Coupe 2003-2009 Z4 M Coupe and Roadster

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Bremmen Parts - Corporate Logo
T#:32350879
Part#: 11287615130
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Bremmen Parts - Corporate Logo
T#:30629656
Part#: 11287841228
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Bremmen Parts - Corporate Logo
T#:21078401
Part#: S6PK1425
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Accessory drive belts keep everything turning off of the crank pulley. Generators and water pumps both rely on this belt to keep everything working properly. If your drive belt is getting old, cracking, glazing, or squeaking, replace it.
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Schwaben - Corporate Logo
T#:23913946
Part#: 003581SCH01A
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Certain alternators necessitate the use of a splined wrench to secure the alternator in place, with the splined end providing a firm grip for turning. This specialized tool enables you to effortlessly grasp and remove the alternator without the need for additional tools during the process.


Features:

  • 1/2" drive
  • T50 Torx bit end locks the alternator in place while the splined sleeve goes into the pulley for a strong grip that allows you to turn it.
  • Services  1998-present day Mercedes-Benz, including 606 (W210), 648 (W211, W164), 642 (W211, W164), as well as Mercedes E300 (1996-1999)
  • T50 Torx bit can also be used on engines such as the M57 but will need another piece, such as a pass-through socket, to hold the alternator in those engines. See ES#4743294
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Dinan - Corporate Logo
T#:586063
Part#: D561-0003
Ships in 6 Business Days
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$ 57.56 USD
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Bremmen Parts - Corporate Logo
T#:48780737
Part#: 11288625983
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Bremmen Parts - Corporate Logo
T#:52164889
Part#: 12317560483
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Is your BMW making a chirping or grinding noise at idle? The culprit is frequently a failing alternator decoupler pulley. Unlike a traditional solid pulley, this Overrunning Alternator Pulley (OAP) allows the alternator rotor to "freewheel" when engine speeds drop suddenly. This specialized function protects your BMW drive belt and belt tensioner from excessive snap-back, vibration, and "belt slap."

Prevent Catastrophic Engine Failure

Over time, the internal clutch mechanism can seize or slip, leading to accelerated wear or total serpentine belt failure. On BMW engines, a snapped belt can be ingested through the front main seal, causing catastrophic engine damage. Replacing this pulley is a cost-effective preventative maintenance step that restores smoothness to your accessory drive without the high cost of a complete alternator replacement.

Features & Benefits:

Lowers the load on the drive belt, tensioner, and AC compressor.
Stops "belt slap" and rhythmic chirping noises during deceleration and idle.
Direct Replacement with high-quality construction ensures perfect fitment and long-term durability.
Essential Maintenance for N52 engines

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Bremmen Parts - Corporate Logo
T#:53538115
Part#: 11282245087
Ships on Sep 28, 2026
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Bremmen Parts - Corporate Logo
T#:28138093
Part#: 11237638551
Special Order: No Guaranteed ETA
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MINI Crank Pulley With Dampener - R5X R6X

Improve engine performance and reduce vibrations with the MINI Crank Pulley With Dampener - R5X R6X. This pulley-driven unit is designed to smooth out rotational vibrations from the crankshaft, ensuring smoother engine operation. When the pulley wears out or dries out, you may notice unusual noises near the passenger's side oil pan, indicating the need for replacement.

Benefits:

  • Reduces rotational vibrations for smoother engine operation
  • Minimizes noise from the passenger's side oil pan
  • Enhances overall engine performance

For optimal results, it's recommended to replace the hex bolts along with the crank pulley.

Upgrade your MINI's engine performance and reduce vibrations with the MINI Crank Pulley With Dampener - R5X R6X.

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