BMW Drive Belts & V-Belts for BMW 3 Series E92 (2007-2013)

Crank Seal Guard - N52/N54/N55/S55

T#:15876877

Part#: 049453LA01-02

In Stock

Sale - Save 25% $ 132.99

This product was last offered at the strikethrough price on
06-14-2026

$ 99.99 USD

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Introducing our Turner Motorsport Crank Seal Guard – the essential shield for your BMW's engine integrity. Safeguarding the heart of your vehicle, this meticulously designed guard offers robust protection for the crank seal concealed behind the harmonic balancer.

Considered an indispensable maintenance component for your BMW, the Crank Seal Guard acts as a crucial defense against a potential and preventable catastrophe involving your accessory belt. Facing the reality of potential oil or coolant leaks in your engine, this guard becomes a reliable barrier, preventing these fluids from reaching the accessory belt. The consequence of a compromised belt includes walking, slipping, fraying, and rubber particles finding their way behind the harmonic balancer and into the crank seal – a scenario that can lead to severe engine failure.

Let's be honest, engine leaks are a common occurrence, and whether your engine is currently leaking or not, the Crank Seal Guard is a proactive measure against future threats. The wear and tear on the accessory belt due to oil and coolant exposure can result in slipping, tearing, or, worst-case scenario, belt snapping – posing a significant risk to your engine's well-being.

Prepare your car for the long haul and protect the vital components, It's not a matter of "if" but "when" your belt will become a problem, and our Crank Seal Guard is your proactive solution. Rigorously tested on N52/N54/N55 and S55 for 100% confirmed fitment, it stands as a reliable guardian for your engine's health. Invest in the protection your BMW deserves with the Turner Motorsport Crank Seal Guard.

Key benefits:

Protect crank seal from rogue accessory belts and their shredded debris
Optimized to fit N52, N54, N55, and S55 engines
Rigid design that fits within the space constraints between the engine block and harmonic balancer
Zinc-coated fasteners for corrosion and oxidation resistance
Design:

Modeled and designed from FARO laser scanning and Solidworks CAD
Manufactured from 6061 billet aluminum
Turner blue anodizing
Installation:

It is a good idea to note how your belt is routed before starting the installation.

2 securing bolts for crank seal guard - Torque value of 20Nm

You will find either 6 or 8 E10 bolts are holding the harmonic balancer depending on the engine.

E10 (P#11237564511)
N52: 6 bolts - Torque value of 25nm
N54: 6 bolts - Torque value of 35nm
N55: 8 bolts - Torque value of 35nm

E10 (P#11237575488)
S55: 8 Bolts - Torque value of 35nm

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Turner Motorsport Power Pulley Kit - E90/E92/E93 M3

T#:338810

Part#: TMS1805

Ships on Dec 21, 2026

Sale - Save 25% $ 546.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 410.24 USD

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Sale - Save 25%

$ 546.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 410.24 USD

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Get MORE HORSEPOWER and TORQUE on your 2008, 2009 and newer M3 coupe, sedan or convertible by replacing the stock crank pulley with this specially designed performance version. The Power Pulley reduces rotational mass and safely under drives your belt driven auxiliaries for reduced parasitic power loss. The end result: More power to your M3's rear wheels! Designed to give the best performance benefit with no sacrifices or compromises to your BMW's reliability. These have been tested on hundreds of cars before public release and there are simply NO DOWNSIDES to this upgrade.

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BMW E9X M3 Turner Motorsport S65 Power Pulley Kit - 2008 M3 DCT ...

For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power S...

T#:394429

Part#: PPK-S65-LKT

Ships on Dec 21, 2026

Sale - Save 25% $ 546.99

This product was last offered at the strikethrough price on
06-14-2026

$ 410.24 USD

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$ 546.99

This product was last offered at the strikethrough price on
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$ 410.24 USD

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Enhance the performance of your BMW E9X M3 with the BMW E9X M3 Turner Motorsport S65 Power Pulley Kit. This high-quality power pulley kit from Turner Motorsport is designed specifically for the S65 engine, providing increased power and torque for a more exhilarating driving experience. With easy installation and durable construction, this kit is a must-have upgrade for BMW enthusiasts.

Increases power and torque for improved performance
Designed specifically for the S65 engine in BMW E9X M3 models
Easy installation with included instructions
Durable construction ensures long-lasting reliability

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Turner Motorsport Power Pulley Kit - E9X M3 S65

For vehicles with production date up to 05/2008 & a closckwise rotating Power Steering ...

Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3 | For vehicles with production date up to 04/200

T#:395356

Part#: PPK-S65-EKT

In Stock at Vendor

Sale - Save 25% $ 535.99

This product was last offered at the strikethrough price on
06-14-2026

$ 401.99 USD

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The idea of power pulleys is simple. The less effort the engine puts into running accessories such as the water pump, power steering, pump alternator etc., the more of that power can be used elsewhere - your wheels! The way this is done by reducing the rotation of the pulleys by as much as 10-20%! The end result is more horsepower at your disposal. Turner has done extensive testing (on and off the track), to ensure that the accessory systems still function as intended and without failure. These pulleys offer an excellent compromise of power gains, reliability, and performance.

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E9X M3 Performance Underdrive Pulley Kit

For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power S...

T#:593749

Part#: 10.00.011

Ships in 5 Business Days

$ 349.00 USD

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Free additional power to your M3’s rear wheels without sacrificing or compromising your BMW’s reliability. Machined from 6061-T6 aerospace aluminum, Macht Schnell Performance Underdrive Pulleys are strong as well as lightweight to limit parasitic drag from the accessories within a moderate level for maximum performance on or off the track. After machining and engraving, pulleys are then T3 hard anodized for additional strength, anti-corrosion & wear resistance. Our DualDrive design replaces the Crank Accessory & Power Steering Pulleys, resulting in an additional 9-14 HP and 7-9ft. lbs TQ gain for the M3. Gains are due to a reduction in power required to turn accessories; an increase in accessories lifespan due to lower speed will also result. All factory harmonics/balancing are undisturbed. Macht Schnell Performance Underdrive Pulleys have no negative effect on accessory operation and comes fully equipped with new belts. Already have this kit and need new belts? See T#14491 and T#14489 Performance Underdrive Pulleys Features: DualDrive design allows maximum performance, with minor effect on accessory speed Proper cooling temperatures are retained at proper levels on or off the track Maintains proper alternator speed, allowing sustained levels to sensitive control modules Machined from 6061-T6 aerospace aluminum T3 Hard-Anodized for maximum strength and corrosion/wear resistance No affects to crankshaft dampening or harmonics Simple bolt-on installation

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OEM Accessory Belt Service Kit - N54 3.0L

T#:554448

Part#: N54ACCKT

In Stock

Sale - Save 15% $ 197.99

This product was last offered at the strikethrough price on
04-15-2026

$ 169.24 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or overheated engine due to a bit of simple overlooked maintenance. This kit includes all of the items that will need replaced such as the belts, tensioners, and hardware.

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Genuine BMW Hex Bolt - 11211439395

T#:32404

Part#: 11211439395

In Stock

4% off MSRP $ 26.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 25.99 USD

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4% off MSRP

$ 26.99

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$ 25.99 USD

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Genuine BMW Hex Bolt
This item fits the following BMW Chassis:
E82 1M Coupe,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F10,F25 X3

Fits BMW Engines including:
N51,N52,N52N,N54,N54T

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OEM Accessory Belt Service Kit - E82/88 E9X N55

T#:567679

Part#: 11287582946KT4

In Stock

Sale - Save 12% $ 212.99

This product was last offered at the strikethrough price on
03-19-2026

$ 187.17 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or overheated engine due to a bit of simple overlooked maintenance. This kit includes all of the items that will need to be replaced such as the belts, tensioners, and hardware.

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...

T#:22163422

Part#: 11287568247TKT

Ships in 8 Business Days

Sale - Save 15% $ 209.99

This product was last offered at the strikethrough price on
04-15-2026

$ 178.94 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and idler pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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OEM Accessory Belt Service Kit - N52 3.0L

T#:593693

Part#: N52ABKT

In Stock

Sale - Save 18% $ 135.99

This product was last offered at the strikethrough price on
07-08-2026

$ 111.50 USD

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$ 111.50 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or overheated engine due to a bit of simple overlooked maintenance. This kit includes all of the items that will need replaced such as the belts, tensioners, and hardware.

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Genuine BMW Idler Pulley - Multiple BMWs

For vehicles with a production date up to 04/2008

T#:11477

Part#: 11287841228

Ships in 1-2 days

8% off MSRP $ 123.34

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 113.39 USD

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8% off MSRP

$ 123.34

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 113.39 USD

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This is a Genuine BMW Upper Idler Pulley, also known as the roller pulley or deflection pulley. The upper and lower idler pulleys are known to be the primary sources for 'belt squealing'. The pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).

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Genuine BMW Hydraulic Belt Tensioner - Water Pump/Alternator Belt - E...

T#:22240

Part#: 11287835417

In Stock

3% off MSRP $ 165.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 160.99 USD

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3% off MSRP

$ 165.99

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$ 160.99 USD

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Hydraulic Belt Tensioner for E9x M3 with S65 engine and E60 M5, E63 M6 with S85 engine. This is the oil-filled tensioner that keeps the main drive belt in the proper tension. Over time the piston seals inside allow fluid to leak out. The tensioner becomes frozen or inoperable. Replacement is the best corrective action to take. This can be done during any belt or pulley service or anytime the fan is off the engine.

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N52 ...

T#:22130432

Part#: 11287530314TKT

Ships in 8 Business Days

Sale - Save 18% $ 127.99

This product was last offered at the strikethrough price on
05-03-2026

$ 104.71 USD

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$ 127.99

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$ 104.71 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and idler pulley. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Genuine BMW Hydraulic Belt Tensioner - A/C Belt - E9X M3, E6X M5 M6 ...

T#:22241

Part#: 11287835422

In Stock

6% off MSRP $ 165.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 155.99 USD

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6% off MSRP

$ 165.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 155.99 USD

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Hydraulic Belt Tensioner for E9x M3 with the S65 engine and E60 M5, E63 M6 with the S85 engine. This is the oil-filled tensioner that keeps the A/C belt in the proper tension. Over time the piston seals inside allow fluid to leak out. The tensioner becomes frozen or inoperable. Replacement is the best corrective action to take. This can be done during any belt or pulley service or anytime the fan is off the engine.

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Genuine BMW Water Pump Pulley - E9X M3 S65

T#:35708

Part#: 11517838676

Ships in 1-2 days

6% off MSRP $ 118.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 111.99 USD

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6% off MSRP

$ 118.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 111.99 USD

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This is a genuine BMW replacement water pump pulley that is made out of plastic. These become brittle over time and it is important to replace these every 50-60K miles to prevent a potential failure and overheating.

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Genuine BMW Accessory Belt - Alternator/Water Pump - E46 E9X Z3 Z4 ...

T#:360628

Part#: 11287837898

In Stock

13% off MSRP $ 60.99

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$ 52.99 USD

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13% off MSRP

$ 60.99

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$ 52.99 USD

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Accessory drive belts keep everything turning off of the crank pulley. Generator, fans, water pumps and AC compressors all 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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N54 AC Delete Accessory Belt Kit - BMW N54 3.0L

T#:26771665

Part#: 7PK1660KT

In Stock

Sale - Save 13% $ 75.99

This product was last offered at the strikethrough price on
05-03-2026

$ 66.28 USD

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$ 75.99

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$ 66.28 USD

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This AC Delete Accessory Belt Kit includes a new idler pulley and a shorter ECS Kevlar belt for deleting your AC compressor. ECS Tuning Performance Kevlar reinforced belts give you that extra piece of mind! Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432

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Genuine BMW Vibration Damper

T#:32906

Part#: 11237574827

In Stock

6% off MSRP $ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 98.99 USD

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6% off MSRP

$ 104.99

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$ 98.99 USD

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Genuine BMW Hub -
This item fits the following BMW Chassis:
E71,E82,E90,E92,E93,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4,F30,F32,F33,F34,F36,F80 M3,F82 M4,F83

Fits BMW Engines including:
N55,S55

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Genuine BMW Idler Pulley - E9X M3 S65

For Vehicles With A Counterclockwise Power Steering Pump Only

T#:22244

Part#: 11287841531

In Stock

9% off MSRP $ 123.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 112.99 USD

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9% off MSRP

$ 123.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 112.99 USD

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This is a Genuine BMW Upper Idler Pulley, also known as the roller pulley or deflection pulley. The upper and lower idler pulleys are known to be the primary sources for 'belt squealing'. The pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).

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Genuine BMW Belt Tensioner Pulley - E9X M3 S65

T#:22242

Part#: 11287838194

In Stock

8% off MSRP $ 250.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 229.99 USD

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8% off MSRP

$ 250.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 229.99 USD

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This is the tensioner pulley for the serpentine belts on BMW's with the S65 engine. This tensioner keeps the belt for the alternator, power steering and Air Conditioning taught to provide maximum performance of each system.

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N54 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N54 3.0...

T#:1241396

Part#: TMSN54BPKT

Back Ordered

Sale - Save 6% $ 541.99

This product was last offered at the strikethrough price on
05-03-2026

$ 509.74 USD

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$ 541.99

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$ 509.74 USD

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BMW has a seemingly endless number of fans of the N54/N55/S55 engines, three straight-six turbo engines that are each capable of 750+ horsepower, but that doesn't mean they were without their faults! BMW's N54 had a notoriously rocky start with reliability due to multiple issues such as fuel injectors failing, turbos failing, serpentine belt failure, crank hubs coming loose, and more... BMW made multiple attempts to fix the issues plaguing the N54, but they could only do so much and the fixes rolled out seemed temporary at best. Following the N54, BMW released their updated N55 and S55 engines, giving many people hope that these engines would address the previous issues. Unfortunately, this was only some-what the case. Crank hubs and crank bolts continued to loosen over time and serpentine belts continued to shred themselves and get pulled into the oil pan through the front main seal. For all three engines, this meant a single failure could effectively turn your engine into an oversized paperweight. Luckily for us, the BMW community is full of skilled enthusiasts who have gladly taken up the task to offer solutions! The first headache to be addressed was the Crank Hub and Bolt. Using a simple plate that fits perfectly over your crank hub's hex-head bolt and mounts up against the damper, the crank bolt is effectively locked in place, preventing it from being able to back out until the plate is fully removed. Next up was the serpentine belt failures. It's not known what exactly causes the serpentine belt to split, but once it does, the pieces hanging off of the belt wrap around and behind the damper. This leads to the belt breaking up into smaller pieces and eventually getting pushed between the crank hub and rear main seal into the oil pan. These small pieces of debris get caught in and block the oil pickup, preventing oil flow and leading to engine failure. To prevent this, multiple aftermarket companies came up with their own versions of Crank Seal Plates. This plate is installed behind the front damper, blocking the opening that allows the serpentine belt to pass between the crank hub and seal, keeping debris out of your oil pan! Also included in this kit are the components to service your front Oil Cooler/Filter Housing gaskets, refresh your drive belt system, and install the aftermarket upgrades. Kit Features and Contents: Vargas Turbo Crank Bolt Capture Vargas Turbo Crank Seal Plate OEM Accessory Belt OEM Belt Tensioner & Idler Pullies Liqui-Moly Longtime High Tech Engine Oil (5w-30) - 7 Liters OEM Hengst Oil Filter OEM Oil Filter/Cooler Housing Gaskets TMS Oil Change Sticker Genuine BMW Full-Strength Coolant - 1 Liter Looking to go even further and upgrade your Crank Hub as well? Check out T#558924

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...

T#:22163417

Part#: 11287582946TKT

In Stock

Sale - Save 7% $ 220.99

This product was last offered at the strikethrough price on
01-27-2026

$ 204.63 USD

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$ 220.99

This product was last offered at the strikethrough price on
01-27-2026

$ 204.63 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, belt tensioner, and idler pullies. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Genuine BMW Alternator/AC/Power Steering Accessory Belt - E82/88 E9X ...

T#:361874

Part#: 11287628652

In Stock

8% off MSRP $ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 58.99 USD

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8% off MSRP

$ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 58.99 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or over heated engine due to a bit of simple overlooked maintenance.

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Genuine BMW Accessory Belt - Air Conditioning - E90 E92 M3

For vehicles with production date from 04/2008

T#:361079

Part#: 11287841529

In Stock

Sale - Save 6% $ 54.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 51.44 USD

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$ 54.99

This product was last offered at the strikethrough price on
06-25-2026

$ 51.44 USD

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This belt drives the air conditioning compressor for the AC system. 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. This belt is 6PK x 1100 and is double-sided. Please your original check belt size and style before ordering as BMW changed the belt routing and tensioner design during early production. This item fits the following BMWs: 4/2008+ E90 BMW M3 - Sedan 4/2008+ E92 BMW M3 - Coupe 4/2008+ E93 BMW M3 - Convertible

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Genuine BMW Crank hub

T#:32901

Part#: 11237570107

In Stock

5% off MSRP $ 167.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 157.99 USD

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5% off MSRP

$ 167.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 157.99 USD

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Genuine BMW Hub -
This item fits the following BMW Chassis:
E71,E82,E89 Z4,E90,E92,E93,F01,F02

Fits BMW Engines including:
N54,N54T

Genuine BMW Hydraulic Belt tensionser - E90 E92 E93 M3

T#:33716

Part#: 11287841546

Ships in 1-2 days

Sale - Save 5% $ 154.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 146.61 USD

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$ 154.99

This product was last offered at the strikethrough price on
06-25-2026

$ 146.61 USD

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Genuine BMW Belt Tensioner -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

OEM Accessory Belt Service Kit - E9X M3 S65

For vehicles with production date from 04/2008

T#:391554

Part#: 11287837898

Ships in 2 Business Days

$ 908.99

This product was last offered at the strikethrough price on
07-21-2026

Starting at $ 875.99 USD

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Starting at $ 875.99 USD

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This comprehensive kit includes both belts, belt tensioners, upper and lower deflection pulleys, and the adjusting pulley. Select from all Genuine BMW parts or a combination of OEM/OE BMW parts. Staying on top of your belt maintenance is the smart move. Cracked or worn belts are a recipe for a headache or worse. The main drive belt runs critical components - the alternator, water pump, and power steering pump. The pulleys contain bearings that may be worn when it comes time to replace the belts. You can check the pulleys by relieving tension on the belt and feeling each pulley for play or grinding. The tensioner also sees similar wear. If your pulleys are new or don't need replacement, you can pick up the belts on their own.

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Genuine BMW Lower Idler Pulley

T#:360623

Part#: 11287557851

Ships in 3 Business Days

Sale - Save 6% $ 74.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 70.58 USD

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Sale - Save 6%

$ 74.99

This product was last offered at the strikethrough price on
06-15-2026

$ 70.58 USD

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Genuine BMW Accessory Belt - E60/61 E70 E82/88 E90/91/92/93 N52 3.0L ...

T#:361811

Part#: 11287628650

In Stock

14% off MSRP $ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.99 USD

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14% off MSRP

$ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.99 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or over heated engine due to a bit of simple overlooked maintenance.

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Genuine BMW Alternator/AC/Power Steering Accessory Belt - E60/61 N54,...

T#:361829

Part#: 11287628653

In Stock

14% off MSRP $ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.99 USD

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14% off MSRP

$ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.99 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or over heated engine due to a bit of simple overlooked maintenance.

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N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N55 3.0...

T#:1241397

Part#: TMSE90N55BPKT

In Stock

$ 576.99

This product was last offered at the strikethrough price on
07-21-2026

$ 576.37 USD

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$ 576.37 USD

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BMW has a seemingly endless number of fans of the N54/N55/S55 engines, three straight-six turbo engines that are each capable of 750+ horsepower, but that doesn't mean they were without their faults! BMW's N54 had a notoriously rocky start with reliability due to multiple issues such as fuel injectors failing, turbos failing, serpentine belt failure, crank hubs coming loose, and more... BMW made multiple attempts to fix the issues plaguing the N54, but they could only do so much and the fixes rolled out seemed temporary at best. Following the N54, BMW released their updated N55 and S55 engines, giving many people hope that these engines would address the previous issues. Unfortunately, this was only some-what the case. Crank hubs and crank bolts continued to loosen over time and serpentine belts continued to shred themselves and get pulled into the oil pan through the front main seal. For all three engines, this meant a single failure could effectively turn your engine into an oversized paperweight. Luckily for us, the BMW community is full of skilled enthusiasts who have gladly taken up the task to offer solutions! The first headache to be addressed was the Crank Hub and Bolt. Using a simple plate that fits perfectly over your crank hub's hex-head bolt and mounts up against the damper, the crank bolt is effectively locked in place, preventing it from being able to back out until the plate is fully removed. Next up was the serpentine belt failures. It's not known what exactly causes the serpentine belt to split, but once it does, the pieces hanging off of the belt wrap around and behind the damper. This leads to the belt breaking up into smaller pieces and eventually getting pushed between the crank hub and rear main seal into the oil pan. These small pieces of debris get caught in and block the oil pickup, preventing oil flow and leading to engine failure. To prevent this, multiple aftermarket companies came up with their own versions of Crank Seal Plates. This plate is installed behind the front damper, blocking the opening that allows the serpentine belt to pass between the crank hub and seal, keeping debris out of your oil pan! Also included in this kit are the components to service your front Oil Cooler/Filter Housing gaskets, refresh your drive belt system, and install the aftermarket upgrades. Kit Features and Contents: Vargas Turbo Crank Bolt Capture Vargas Turbo Crank Seal Plate OEM Accessory Belt OEM Belt Tensioner & Idler Pullies Liqui-Moly Longtime High Tech Engine Oil (5w-30) - 7 Liters OEM Hengst Oil Filter OEM Oil Filter/Cooler Housing Gaskets TMS Oil Change Sticker Genuine BMW Full-Strength Coolant - 1 Liter

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Genuine BMW Crankshaft Pulley - E90 E92 E93 M3

T#:32918

Part#: 11237838230

In Stock

13% off MSRP $ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 97.99 USD

Limited Qty Sale

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13% off MSRP

$ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 97.99 USD

Limited Qty Sale

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Genuine BMW Pulley
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63,E90,E92,E93

Fits BMW Engines including:
S65,S85

Replacement Belt For Underdrive Pulley Kit D560-0003 & D560-0004 ...

Call In Or Chat For Best Price!

T#:586065

Part#: D561-0007

Ships in 5 Business Days

11% off MSRP $ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 95.99 USD

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11% off MSRP

$ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 95.99 USD

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E9X M3 6/2008+ Dinan Underdrive Pulley Kit

For vehicles with a production date from 06/2008

Call In Or Chat For Best Price!

T#:389532

Part#: D560-0004

Ships in 5 Business Days

11% off MSRP $ 506.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 449.99 USD

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11% off MSRP

$ 506.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 449.99 USD

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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) ...

Call In Or Chat For Best Price!
Call In, Chat, Or Email, For Best Price! Limited Time Only!

T#:586064

Part#: D561-0002

Ships in 5 Business Days

11% off MSRP $ 142.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 126.99 USD

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11% off MSRP

$ 142.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 126.99 USD

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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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Genuine BMW Crank Pulley

T#:32904

Part#: 11237572788

Ships in 3 Business Days

8% off MSRP $ 789.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 723.99 USD

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8% off MSRP

$ 789.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 723.99 USD

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Genuine BMW Vibration Damper
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N54,N54T

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Genuine BMW Accessory Belt Tensioner Assembly - N54 3.0L

T#:360624

Part#: 11287563927

Ships in 1-2 days

6% off MSRP $ 179.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 168.99 USD

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6% off MSRP

$ 179.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 168.99 USD

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This Genuine BMW mechanical tensioner assembly is designed to keep the serpentine belt at the correct pressure against the pulleys. Many BMW's can have either a hydraulic or mechanical belt tensioner. Please check to see which tensioner type you need before ordering.

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Genuine BMW Accessory Belt Kit - N54 3.0L

T#:374339

Part#: OEN54BLTKT

Ships in 3 Business Days

$ 374.99 USD

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$ 374.99 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or over heated engine due to a bit of simple overlooked maintenance. This kit includes all of the items that will need replaced such as the belts, tensioners, and hardware.

Fits the following BMW engines:
N54 3.0L

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Genuine BMW Mechanical Belt Tensioner - E82/88 E90/92/93 N55 3.0L ...

T#:33684

Part#: 11287582946

Ships in 1-2 days

6% off MSRP $ 179.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 168.99 USD

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Qty

6% off MSRP

$ 179.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 168.99 USD

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Genuine BMW Mechanical Belt Tensioner -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N55

Genuine BMW Upper Idler Pulley

T#:360621

Part#: 11287556251

Ships in 3 Business Days

12% off MSRP $ 82.24

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 71.98 USD

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12% off MSRP

$ 82.24

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 71.98 USD

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Genuine BMW Deflection Pulley - N52 3.0L

T#:360619

Part#: 11287535860

Ships in 1-2 days

8% off MSRP $ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 75.99 USD

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Qty

8% off MSRP

$ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 75.99 USD

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Genuine BMW Accessory Belt Kit - E82 E88 E90 E92 E93 N55 3.0L ...

T#:376795

Part#: 11287582946KT

Ships in 1-2 days

$ 449.99 USD

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Qty

$ 449.99 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or over heated engine due to a bit of simple overlooked maintenance. This kit includes all of the items that will need replaced such as the belts, tensioners, and hardware.

Kit contents:

Genuine BMW accessory belt
Genuine BMW belt tensioner assembly
Genuine BMW idler pulley

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Genuine BMW Power Steering Pulley - E82 E84 E90 E92 E93 N55 3.0L ...

T#:58581

Part#: 32427582947

Ships in 3 Business Days

6% off MSRP $ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 100.99 USD

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6% off MSRP

$ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 100.99 USD

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Genuine BMW Pulley -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Genuine BMW Deflection Pulley - E82 E84 E88 E90 E92 E93 X1 335 N55 3....

T#:33680

Part#: 11287578674

Ships in 1-2 days

8% off MSRP $ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 75.99 USD

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Qty

8% off MSRP

$ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 75.99 USD

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Genuine BMW Deflection Pulley -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N55

Genuine BMW Tensioner Lever - E9X M3 S65

T#:33711

Part#: 11287838196

Ships in 1-2 days

8% off MSRP $ 286.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 262.99 USD

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8% off MSRP

$ 286.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 262.99 USD

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Attaches to tensioner in order to maintain contact with the drive belt and eliminate slack.

Genuine BMW Accessory Drive Belt Service Kit

T#:376712

Part#: 11287530314KT1

Ships in 1-2 days

$ 306.99 USD

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Qty

$ 306.99 USD

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Having your accessory belt fail is definitely inconvenient, and can leave you on the side of the road if the alternator isn't charging. Over time the tensioner and the belt itself gets worn and will eventually fail. This kit includes everything you need to service the belt drive system and keep everything in check.

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Genuine BMW Power Steering Pulley - E82 E88 E90 E92 E93 N54 3.0L ...

T#:58574

Part#: 32427553955

Ships in 5 Business Days

6% off MSRP $ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 100.99 USD

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Qty

6% off MSRP

$ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 100.99 USD

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Genuine BMW Pulley
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E90,E92,E93

Genuine BMW Belt and Tensioner Service Kit - E9X M3 S65

For vehicles with production date from 04/2008

T#:377555

Part#: 11287837898KT2

Ships in 1-2 days

$ 1,028.99 USD

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Qty

$ 1,028.99 USD

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Staying on top of your belt maintenance is the smart move. Cracked or worn belts are a recipe for a headache or worse. The main drive belt runs critical components - the alternator, water pump, and power steering pump. The pulleys contain bearings that may be worn when it comes time to replace the belts. You can check the pulleys by relieving tension on the belt and feeling each pulley for play or grinding. The tensioner also sees similar wear. If your pulleys are new or don't need replacement, you can pick up the belts on their own.

Show More Show Less