BMW Drive Belts & V-Belts

OEM Accessory Belt Service Kit - F3X F22/23 N55 3.0L

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T#:587391

Part#: 11287628661ABKT

In Stock

$ 171.99

This product was last offered at the strikethrough price on
06-09-2026

$ 153.99 USD

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$ 153.99 USD

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This kit includes the basic components recommended to replace when it comes time to swap out your accessory belt.

Vargas N54/55 Billet Crank Seal Guard - BMW N54 N55 3.0L

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T#:638889

Part#: VTT-CRANKGUARD

In Stock

Starting at $ 89.99 USD

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Starting at $ 89.99 USD

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It is a well-known issue on the BMW N54/55 platforms that your serpentine belt can fail for various reasons. When this happens, there is a high chance of the belt getting sucked behind the front damper pulley and then being pushed past the crank seal into your oil pan. From there it can get sucked into the oil pick up causing total engine failure. Even if you do not lose the engine, it is a COSTLY repair to remove the sub-frame and drop the oil pan to remove the belt. The best way to combat this is to watch for oil leaks and keep up on your maintenance. BUT, even with those preventative measures, pre-mature belt failure can occur. This crank seal guard installs over your front crank seal and will keep the belt from being sucked in if a belt failure does occur. This is a cheap way to ensure you do not end up having to replace your motor from oil starvation due to an ingested belt. Vargas' seal is different from those already on market in two major ways. Firstly, it is not offensively priced. Secondly, it is 100% billet with no welds on the tabs to break, no cheap bent thin steel pieces. 100% Billet 6061-T6 aluminum, anodized black for long-term corrosion resistance. Crank Seal Guard includes: One VTT Billet N54/55 Crank Seal Guard Two extended 12.9 Grade bolts, and two stainless washers We highly recommend you install WITH a crank bolt capture at the same time, as you have to remove the damper anyway. Then you will get the benefit of helping eliminate the dreaded spun crank hub and the crank seal issue

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E9X M3 Performance Underdrive Pulley Kit

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T#:593749

Part#: 10.00.011

Ships on Nov 10, 2026

$ 349.00 USD

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$ 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

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T#:554448

Part#: N54ACCKT

Ships in 4 Business Days

Sale - Save 16% $ 187.99

This product was last offered at the strikethrough price on
10-19-2026

$ 158.57 USD

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Sale - Save 16%

$ 187.99

This product was last offered at the strikethrough price on
10-19-2026

$ 158.57 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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Vargas "Spline Lock" Crank Hub Solution - Includes Crank Bolt Capture...

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T#:558795

Part#: VTT-CRANKHUB-1

Ships in 1-2 days

$ 889.99 USD

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$ 889.99 USD

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Under certain conditions, the N55 crank hub likes to spin, without warning and even when the engine is in perfect health. The engineers at Vargas saw and dealt with this problem time and again, and they saw fit to do something about it. This hub uses a proprietary "Spline Lock" technology that uses high tolerance machined splines which press into the crank, and positively lock the hub to the crank. The splines are machined in such a way that rotational forces drive the hub, and splines deeper into the crank meaning when the hub encounters a situation that would normally slip a stock hub the splined hub is driven into the crank to keep it in place (much like a splined extractor). Features: Installs the same as a stock hub Does NOT require the crank to be drilled for pins Manufactured from Harndered 17-4SS We suggest the Crank Hub System ONLY be installed by a qualified shop or technician. Timing tools are 100% REQUIRED if installed improperly engine damage may occur. DISCLAIMER: VTT and ECS are not responsible for any engine damage caused by improper installation, or misuse of the crank hub solution.

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OEM Accessory Belt Service Kit - E82/88 E9X N55

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T#:567679

Part#: 11287582946KT4

In Stock

Sale - Save 13% $ 213.99

This product was last offered at the strikethrough price on
10-15-2026

$ 187.17 USD

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Sale - Save 13%

$ 213.99

This product was last offered at the strikethrough price on
10-15-2026

$ 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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OEM Accessory Belt Service Kit - N52 3.0L

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T#:593693

Part#: N52ABKT

In Stock

Sale - Save 22% $ 135.99

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

$ 105.43 USD

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Sale - Save 22%

$ 135.99

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

$ 105.43 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 Hydraulic Belt Tensioner - Water Pump/Alternator Belt - E...

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T#:22240

Part#: 11287835417

In Stock

3% off MSRP $ 193.99

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

$ 187.99 USD

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3% off MSRP

$ 193.99

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

$ 187.99 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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OEM Accessory Belt Service Kit - F3X F10 N20 2.0L

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T#:587390

Part#: 11287594969ABKT

In Stock

Sale - Save 29% $ 89.15

This product was last offered at the strikethrough price on
06-29-2026

$ 62.94 USD

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Sale - Save 29%

$ 89.15

This product was last offered at the strikethrough price on
06-29-2026

$ 62.94 USD

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This kit includes the basic components recommended to replace when it comes time to swap out your accessory belt.

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

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T#:22241

Part#: 11287835422

In Stock

6% off MSRP $ 193.99

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

$ 181.99 USD

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6% off MSRP

$ 193.99

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

$ 181.99 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 Accessory Belt Kit - F8X S55

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T#:577516

Part#: 11288088632KT1

In Stock

$ 483.99

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

$ 461.99 USD

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$ 461.99 USD

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Everything you need to service the belt drive system.

S54 VAC Harmonic SuperDamper By ATI - Standard Size Crank Pulley ...

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T#:639878

Part#: VAC-HPCDK-S54-ST

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$ 1,049.99 USD

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$ 1,049.99 USD

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If you are breaking crankshafts and oil pumps, the cause may be a mystery to you as it has been to many of our customers. We know that controlling the harmonic resonance of the BMW 6 is highly important as RPMs rise, but the ideal configuration of the inline-6 motor makes even experienced engine builders overlook some fundamental principals of engine harmonics that can be destructive. ATI Performance Products has partnered with VAC Motorsports to develop new dampers for BMW 2.5L, 2.8L, 3.0L and 3.2L straight-6 engines found in the E36 and E46 M3, E9X and E6X, as well as newer Z3s and Z4s. These dampers eliminate crankshaft harmonic vibration, which allows the engine to produce more horsepower and torque, while also reducing internal engine wear at the same time. Broken oil pumps and timing chains will be a thing of the past! When used with a VAC accessory pulley, these dampers are a direct replacement over the OEM balancer. They have a 7” outer diameter and include OEM style timing alignment tabs. BMW enthusiasts should know that all ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition. The advantages of the ATI SuperDamper include eliminating vibration issues with inline 6 engines equipped with lightweight clutch and flywheel assemblies, reduced bearing, engine accessories, oil pump wear, and compatibility with underdrive pulleys. Made in the USA.

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Genuine BMW Deflection Pulley - 11287848607 - F80 M3,F82 M4,F83 ...

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T#:194160

Part#: 11287848607

In Stock

10% 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.

$ 111.05 USD

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10% 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.

$ 111.05 USD

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Genuine BMW Deflection Pulley -
This item fits the following BMW Chassis:
F80 M3,F82 M4,F83

Fits BMW Engines including:
S55

Genuine BMW Idler Pulley - E9X M3 S65

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For Vehicles With A Counterclockwise Power Steering Pump Only

T#:22244

Part#: 11287841531

Ships in 3 Business Days

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 Vibration Damper

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T#:32906

Part#: 11237574827

Ships in 1-2 days

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

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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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 Accessory Belt Service Kit - B38 B46/48 B58

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T#:577317

Part#: 11288613707KT

In Stock

$ 227.99

This product was last offered at the strikethrough price on
10-08-2026

$ 226.99 USD

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$ 226.99 USD

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Avoid inconvenience and roadside issues with ECS Tuning's comprehensive kit designed for BMW owners. Don't get stranded due to a failed accessory belt impacting the alternator's charging ability. Over time, the tensioner and belt wear out, leading to potential failure. ECS Tuning's kit is assembled to address this concern, including a Genuine BMW accessory belt, belt tensioner assembly, and necessary hardware. Keep your BMW's belt drive system in optimal condition with this convenient, all-inclusive kit.

Key Benefits:

Prevents inconvenience from belt failure
Comprehensive kit for servicing the belt drive system
Includes Genuine BMW parts for reliability

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Genuine BMW Hydraulic Belt tensionser - E90 E92 E93 M3

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T#:33716

Part#: 11287841546

Ships in 1-2 days

6% off MSRP $ 193.99

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

$ 181.99 USD

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6% off MSRP

$ 193.99

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

$ 181.99 USD

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

Fits BMW Engines including:
S65

Genuine BMW Water Pump Pulley - E9X M3 S65

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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 Alternator Pulley - 66mm - M20 2.5L

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T#:19315

Part#: 12311288238

Ships in 1-2 days

3% off MSRP $ 109.99

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

$ 106.99 USD

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3% off MSRP

$ 109.99

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

$ 106.99 USD

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Genuine BMW Pulley - D=66mm

This item fits the following BMW Chassis:
E30 M3,E30,E34

Fits BMW Engines including:
M10,M20,S14

Genuine BMW Belt Tensioner Pulley - E9X M3 S65

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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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Accessory Belt Service Kit - E39 E46 M54 (2002+)

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T#:401685

Part#: 11287512762KT3

In Stock

Sale - Save 22% $ 228.99

This product was last offered at the strikethrough price on
06-23-2026

$ 179.56 USD

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Sale - Save 22%

$ 228.99

This product was last offered at the strikethrough price on
06-23-2026

$ 179.56 USD

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This kit covers many of the common wear items that should be changed any time the serpentine belt is being replaced. As these cars gain years and mileage the belt tensioners will also need to be replaced along with the actual belts. It won't do any good to replace the belt if the tensioners are worn. This kit will save you time and money over buying these pieces individually. This kit includes an updated hydraulic alternator tensioner for added reliability and longevity.

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Genuine BMW Accessory Belt Tensioner Pulley - E60 M5, E64 M6, E63 M6 ...

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T#:33713

Part#: 11287839135

In Stock

3% off MSRP $ 229.99

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

$ 221.99 USD

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3% off MSRP

$ 229.99

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

$ 221.99 USD

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Genuine BMW Adjusting Pulley With Lever
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85

Genuine BMW Mechanical Belt Tensioner - 11287810807 - F15,F25,F30,F31...

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T#:189103

Part#: 11287810807

In Stock

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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Genuine BMW Mechanical Belt Tensioner -
This item fits the following BMW Chassis:
F15,F25 X3,F30,F31

Fits BMW Engines including:
N57N

Genuine BMW A/C Belt Tensioner

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T#:360607

Part#: 11281717210

Ships in 1-2 days

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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Genuine BMW Deflection Pulley - 11287589361

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T#:33686

Part#: 11287589361

In Stock

5% 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.

$ 78.99 USD

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5% 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.

$ 78.99 USD

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Genuine BMW Accessory Belt

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T#:348479

Part#: 11287833264

In Stock

8% off MSRP $ 86.99

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

$ 79.99 USD

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8% off MSRP

$ 86.99

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

$ 79.99 USD

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Genuine BMW Tensioner Pulley - E90 E92 E93 M3

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T#:22243

Part#: 11287841527

In Stock

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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Genuine BMW Adjusting Pulley With Lever -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

VAC Harmonic S55 SuperDamper By ATI

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T#:639880

Part#: VAC-HPCD-S55

Ships in 1-2 days

$ 989.99 USD

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$ 989.99 USD

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If you are breaking crankshafts and oil pumps, the cause may be a mystery to you as it has been to many of our customers. We know that controlling the harmonic resonance of the BMW 6 is highly important as RPMs rise, but the ideal configuration of the inline-6 motor makes even experienced engine builders overlook some fundamental principals of engine harmonics that can be destructive. ATI Performance Products has partnered with VAC Motorsports to develop new dampers for BMW 2.5L, 2.8L, 3.0L and 3.2L straight-6 engines found in the E36 and E46 M3, E9X and E6X, as well as newer Z3s and Z4s. These dampers eliminate crankshaft harmonic vibration, which allows the engine to produce more horsepower and torque, while also reducing internal engine wear at the same time. Broken oil pumps and timing chains will be a thing of the past! When used with a VAC accessory pulley, these dampers are a direct replacement over the OEM balancer. They have a 7” outer diameter and include OEM style timing alignment tabs. BMW enthusiasts should know that all ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition. The advantages of the ATI SuperDamper include eliminating vibration issues with inline 6 engines equipped with lightweight clutch and flywheel assemblies, reduced bearing, engine accessories, oil pump wear, and compatibility with underdrive pulleys. Includes lightweight VAC Billet Crankshaft Pulley. Made in the USA.

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Genuine BMW Belt Tensioner - E70/1 FXX S/N63 4.4L

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:33665

Part#: 11287549873

In Stock

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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Genuine BMW Belt Tensioner
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5 X5,E71 X6,F01,F02,F06,F10,F12,F13,F15,F16

Fits BMW Engines including:
N63,N63N,S63,S63N

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Genuine BMW Deflection Pulley

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T#:391246

Part#: 11288673720

In Stock

11% off MSRP $ 75.99

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

$ 67.99 USD

Limited Qty Sale

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11% off MSRP

$ 75.99

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

$ 67.99 USD

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Genuine BMW Deflection Pulley -
This item fits the following BMW Chassis:
E71,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 Crankshaft Pulley - E90 E92 E93 M3

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T#:32918

Part#: 11237838230

Ships in 7 Business 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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Genuine BMW Pulley
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63,E90,E92,E93

Fits BMW Engines including:
S65,S85

Genuine BMW Accessory Belt Tensioner Pulley - E60 M5, E64 M6, E63 M6 ...

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:33712

Part#: 11287839133

Ships in 1-2 days

3% off MSRP $ 229.99

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

$ 221.99 USD

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3% off MSRP

$ 229.99

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

$ 221.99 USD

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Genuine BMW Adjusting Pulley With Lever
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85

Belt Tensioner - E39 M5

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:12944

Part#: 11282248214

In Stock

3% off MSRP $ 446.99

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

$ 432.99 USD

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$ 446.99

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$ 432.99 USD

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This is the tensioner pulley assembly for the serpentine belts on E39 M5 with S62 engine. This tensioner keeps the belt for the alternator, power steering and Air Conditioning taught to provide maximum performance of each system. Kit includes 11281435115 bolt and 11281435114 caps.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMW Chassis:
E39 M5

Fits BMW Engines including:
S62

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Genuine BMW Power Steering Pulley - S54

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:19787

Part#: 32427830838

Ships in 2 Business Days

$ 140.99

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

$ 114.99 USD

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$ 114.99 USD

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Genuine BMW Pulley
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Genuine BMW Mechanical Accessory Belt Tensioner - BMW B46/48 B58 ...

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:573281

Part#: 11288580360

In Stock

4% off MSRP $ 197.99

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

$ 190.99 USD

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4% off MSRP

$ 197.99

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$ 190.99 USD

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Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.

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Genuine BMW Hydraulic Alternator Belt Tensioner Assembly

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:360630

Part#: 11287838797

Ships in 1-2 days

6% off MSRP $ 304.99

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

$ 286.99 USD

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6% off MSRP

$ 304.99

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

$ 286.99 USD

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Genuine BMW Water Pump Pulley - S54 3.2L

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:19288

Part#: 11517840403

Ships in 1-2 days

$ 208.99 USD

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$ 208.99 USD

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Genuine BMW Pulley
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Genuine BMW Crank hub

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T#:32901

Part#: 11237570107

Ships in 1-2 days

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

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$ 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 Basic Accessory Belt Service Kit - F22/23 F3X N20 2.0L ...

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:577518

Part#: 11287594969KT1

Ships in 1-2 days

$ 193.99 USD

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$ 193.99 USD

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This kit includes the basic components recommended to replace when it comes time to swap out your accessory belt.

Genuine BMW Mechanical Belt Tensioner -

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:574081

Part#: 11288088632

In Stock

3% 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.

$ 173.99 USD

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3% 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.

$ 173.99 USD

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OEM Accessory Belt Service Kit - BMW F8X S55

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:589853

Part#: PBTABF8XS55KT

In Stock

$ 433.99

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

$ 412.99 USD

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$ 412.99 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 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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OEM Accessory Belt Service Kit - B46/48 B58

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:587399

Part#: 112886137071ABKT

In Stock

Sale - Save 19% $ 121.99

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

$ 98.77 USD

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Qty

Sale - Save 19%

$ 121.99

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

$ 98.77 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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OEM Accessory Belt Service Kit - E30 M20

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:554430

Part#: 64521706826KT1

Ships on Nov 12, 2026

$ 204.09

This product was last offered at the strikethrough price on
10-23-2026

$ 204.06 USD

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$ 204.06 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 BMWs:
1984-1991 E30 BWM 325, 325i/is/ix, 325e/es

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

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:1241396

Part#: TMSN54BPKT

In Stock

$ 569.99

This product was last offered at the strikethrough price on
10-13-2026

$ 568.99 USD

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$ 568.99 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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Genuine BMW Vibration Damper

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:32905

Part#: 11237573655

Ships in 1-2 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:
E71,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4,F30,F32,F33,F34,F36

Fits BMW Engines including:
N55

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Genuine BMW Water Pump Pulley

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:4472

Part#: 11511436590

In Stock

7% off MSRP $ 73.99

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

$ 68.99 USD

Limited Qty Sale

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7% off MSRP

$ 73.99

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

$ 68.99 USD

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SEE T#337981

Genuine BMW Crankshaft Pulley (Vibration Damper) - F48 F39

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:522791

Part#: 11238602800

In Stock

Sale - Save 10% $ 579.98

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

$ 521.98 USD

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Qty

Sale - Save 10%

$ 579.98

This product was last offered at the strikethrough price on
06-09-2026

$ 521.98 USD

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Upgrade your BMW engine with the Genuine BMW Crankshaft Pulley (Part Number: 11238602800). This OEM crankshaft pulley, designed specifically for BMW models, ensures optimal engine performance and reliability.

Key Features:

Genuine BMW part for perfect compatibility and functionality
Precision engineering for a perfect fit and long-lasting performance
Designed to meet BMW's high standards for quality and durability
Ensures proper belt tension and smooth operation of engine accessories
Compatible with specific BMW models (verify compatibility before purchase)

Replace your worn or faulty crankshaft pulley with this Genuine BMW part to maintain your vehicle's performance and drive with confidence.

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Genuine BMW Lower Idler Pulley

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:360623

Part#: 11287557851

In Stock

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

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:1241397

Part#: TMSE90N55BPKT

In Stock

$ 624.99

This product was last offered at the strikethrough price on
10-17-2026

$ 601.00 USD

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Qty

$ 601.00 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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OEM Accessory Belt Service Kit - E39, E46 M54 (up to 2002)

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:401686

Part#: 11281748131KT2

In Stock

Sale - Save 18% $ 272.99

This product was last offered at the strikethrough price on
06-23-2026

$ 222.90 USD

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Qty

Sale - Save 18%

$ 272.99

This product was last offered at the strikethrough price on
06-23-2026

$ 222.90 USD

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This kit covers many of the common wear items that should be changed any time the serpentine belt is being replaced. As these cars gain years and mileage the belt tensioners will also need to be replaced along with the actual belts. It won't do any good to replace the belt if the tensioners are worn. This kit will save you time and money over buying these pieces individually. This kit includes an updated hydraulic alternator tensioner for added reliability and longevity.

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