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MMX Performance - Corporate Logo
T#:4565824
Part#: MMR20-1003FK
Ships in 3 Business Days
$ 849.99 USD
Free Shipping
$ 849.99 USD
Free Shipping
Anyone with a modified N55/S55 knows the risks involved with the OEM Crank Hub. When the engine simply can't handle the stresses its put under or the design is such that it simply does not support extreme conditions, issues can arise. Under certain conditions, the N55/S55 crank hub likes to spin, without warning and even when the engine is in perfect health. MMR has produced a EN36 machined billet one-piece crank hub heat treated with a 0.75mm case hardening which makes it extremely durable. Due to the one-piece design, it ensures that the friction plates cannot slip. This offers a huge jump in reliability when paired with a new properly torques crank bolt. Installation is requires no drilling or modification to the OEM crankshaft ensuring a perfect fit! Included in this kit is MMR's T-6061 machined billet aluminum capture plate anodized in their trademark finish. The MMR Performance capture plate secures the head of the OE crank bolt and prevents it from turning or being able to loosen. *Installation recommended by a professional shop or technician.
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Continental - Corporate Logo
T#:182558
Part#: ADK0022P
In Stock
$ 173.99 USD
Free Shipping
$ 173.99 USD
Free Shipping
Continental is the OEM supplier for the stock serpentine accessory belt on your N52 engine. They are also the OEM for many other components on your entire car. This extensive 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 and you get OEM-quality over any 3rd party aftermarket brands.

Included in the accessory belt and tensioner kit is:
  • main drive belt, 11287549150
  • mechanical belt tensioner with pulley, 11287530314
  • deflection pulley, 11287535860
  • mounting bolt

On the N52 engine the main drive belt also runs the A/C compressor and it all runs from one tensioner.

This item fits the following BMWs:
2008-2012 E82 BMW 128i
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i - Convertible
2006-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive
2006-2010 E83 BMW X3 3.0i X3 3.0si
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Lower Idler Pulley
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:384427
Part#: 11287557851
Ships in 2 Business Days
$ 23.99 USD
Free Shipping on orders $49 and up
The lowest of the idler pulleys on the accessory drive belt. Featuring NTN/NSK bearing.

Accessory Belt Tensioner Assembly
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:583971
Part#: 11287582946
Ships in 2 Business Days
$ 46.99 USD
Free Shipping on orders $49 and up

URO - Corporate Logo
T#:591618
Part#: 11287530314
Ships in 2 Business Days
$ 48.99 USD
Free Shipping on orders $49 and up
Complete tensioner assembly
Lower Idler Pulley
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:374230
Part#: 11287557851
Ships in 2 Business Days
$ 64.99 USD
Free Shipping
$ 64.99 USD
Free Shipping
Keep your ultimate driving machine performing at its peak with this heavy-duty replacement belt deflection pulley from Febi.

Febi Accessory Belt Tensioner Assembly
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:373809
Part#: 11287563927
Ships in 2 Business Days
$ 122.95 USD
Free Shipping
$ 122.95 USD
Free Shipping
This is the main belt tensioner for A/C, Alternator, and power steering.
Meistersatz - Corporate Logo
T#:57580045
Part#: 11118618864
Ships in 4 Business Days
New Item
$ 43.99 USD
Free Shipping on orders $49 and up
This high-quality component from Meistersatz is built to match strict factory tolerances, giving enthusiast drivers a reliable solution for precision repair.

Continental - Corporate Logo
T#:201819
Part#: 11287549150
In Stock
$ 40.03

This product was last offered at the strikethrough price on
05-19-2026

$ 26.45 USD
Free Shipping on orders $49 and up
$ 26.45 USD
Free Shipping on orders $49 and up

Continental is the OEM supplier for the stock serpentine accessory belt on your N52 engine.?Over time, accessory belts begin?to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belt 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.

Fits the following BMW chassis:
E90 E82/8 E60 E70 E83 E63/64

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OEM Accessory Belt Service Kit - N52 3.0L
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
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
Free Shipping
Sale - Save 22%
$ 135.99

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

$ 105.43 USD
Free Shipping
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 - Corporate Logo
T#:32906
Part#: 11237574827
Ships in 3 Business 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
Free Shipping
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
Free Shipping


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 - Corporate Logo
T#:32901
Part#: 11237570107
Ships in 3 Business 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
Free Shipping
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
Free Shipping


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 - Corporate Logo
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
Free Shipping
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
Free Shipping
Genuine BMW - Corporate Logo
T#:360619
Part#: 11287535860
Ships in 3 Business 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
Free Shipping
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
Free Shipping
Genuine BMW Crank Pulley
For vehicles with manual transmission only
Genuine BMW - Corporate Logo
T#:32904
Part#: 11237572788
Ships in 3 Business Days
2% off MSRP $ 524.99

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

$ 514.99 USD
Free Shipping
2% off MSRP
$ 524.99

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

$ 514.99 USD
Free Shipping


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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OEM INA Alternator Pulley -- E88 E82 E9X E60/1 E70
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:377096
Part#: 12317560678
Ships in 4 Business Days
$ 67.99 USD
Free Shipping on orders $49 and up

This is an OEM INA alternator pulley. Keep your belt drive system in top shape with this new pulley.

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Genuine BMW - Corporate Logo
T#:33684
Part#: 11287582946
Ships in 3 Business 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
Free Shipping
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
Free Shipping


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

Fits BMW Engines including:
N55

Genuine BMW - Corporate Logo
T#:360624
Part#: 11287563927
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
Free Shipping
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
Free Shipping
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 - Corporate Logo
T#:376795
Part#: 11287582946KT
Ships in 3 Business Days
$ 449.99 USD
Free Shipping
$ 449.99 USD
Free Shipping

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 - Corporate Logo
T#:33680
Part#: 11287578674
Ships in 3 Business 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
Free Shipping
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
Free Shipping


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

Fits BMW Engines including:
N55


Genuine BMW - Corporate Logo
T#:376712
Part#: 11287530314KT1
Ships in 3 Business Days
$ 306.99 USD
Free Shipping
$ 306.99 USD
Free Shipping
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 - Corporate Logo
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
Free Shipping
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
Free Shipping


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

Genuine BMW - Corporate Logo
T#:374339
Part#: OEN54BLTKT
Ships in 3 Business Days
$ 374.99 USD
Free Shipping
$ 374.99 USD
Free Shipping

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 - Corporate Logo
T#:32895
Part#: 11237564969
Ships in 6 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
Free Shipping
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
Free Shipping


Genuine BMW Vibration Damper -
This item fits the following BMW Chassis:
E70 X5,E82,E83 X3,E85,E86,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N51,N52,N52N

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Genuine BMW - Corporate Logo
T#:33681
Part#: 11287578675
Ships in 3 Business Days
8% off MSRP $ 102.99

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

$ 94.99 USD
Free Shipping
8% off MSRP
$ 102.99

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

$ 94.99 USD
Free Shipping


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

Fits BMW Engines including:
N55

Genuine BMW - Corporate Logo
T#:58574
Part#: 32427553955
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
Free Shipping
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
Free Shipping


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

Genuine BMW - Corporate Logo
T#:39000
Part#: 12317560483
Ships in 6 Business Days
6% off MSRP $ 145.99

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

$ 136.99 USD
Free Shipping
6% off MSRP
$ 145.99

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

$ 136.99 USD
Free Shipping


Genuine BMW Pulley Alternator - Bosch 6Pk
This item fits the following BMW Chassis:
E70 X5,E82,E83 X3,E90,E92,E93

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

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ECS Tuning Performance Kevlar Reinforced Belt - N52
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:5858454
Part#: 6PK1990
In Stock
$ 45.99 USD
Free Shipping on orders $49 and up
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.

Packaged by Turner - Corporate Logo
T#:22130432
Part#: 11287530314TKT
In Stock
Sale - Save 18% $ 127.99

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

$ 104.71 USD
Free Shipping on orders $49 and up
Sale - Save 18%
$ 127.99

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

$ 104.71 USD
Free Shipping on orders $49 and up
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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Vargas Turbo Technologies - Corporate Logo
T#:558795
Part#: VTT-CRANKHUB-1
In Stock
$ 889.99 USD
Free Shipping
$ 889.99 USD
Free Shipping
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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ATI Performance Products - Corporate Logo
T#:639879
Part#: VAC-HPCD-N54
In Stock
$ 1,059.99 USD
Free Shipping
$ 1,059.99 USD
Free Shipping
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.
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Meyle Accessory Belt - 7PK1855 - BMW N54 3.0L
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55497464
Part#: 500071855
Ships in 8 Business Days
New Item
$ 16.99

This product was last offered at the strikethrough price on
09-13-2026

$ 15.99 USD
$ 15.99 USD
Don't let an old, glazed serpentine belt compromise your car's charging or cooling capacity when you are pushing it to the limit. This heavy-duty Meyle replacement V-ribbed belt is built to survive the extreme thermal demands and sudden engine RPM fluctuations of aggressive street and track driving. Utilizing advanced EPDM rubber construction, it provides maximum rib grip and structural stability under load, keeping your critical accessories spinning reliably without performance-robbing belt slip.
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Alternator Pulley
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:52164889
Part#: 12317560483
In Stock
New Item
$ 45.99 USD
Free Shipping on orders $49 and up

Is your BMW making a chirping or grinding noise at idle? The culprit is frequently a failing alternator decoupler pulley. Unlike a traditional solid pulley, this Overrunning Alternator Pulley (OAP) allows the alternator rotor to "freewheel" when engine speeds drop suddenly. This specialized function protects your BMW drive belt and belt tensioner from excessive snap-back, vibration, and "belt slap."

Prevent Catastrophic Engine Failure

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

Features & Benefits:

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

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Febi - Corporate Logo
T#:381702
Part#: 11287530314
Special Order: No Guaranteed ETA
$ 112.99 USD
Free Shipping
$ 112.99 USD
Free Shipping
Complete tensioner assembly
Febi - Corporate Logo
T#:38452839
Part#: 11237516385
Special Order: No Guaranteed ETA
$ 251.99 USD
$ 251.99 USD
Every time the cylinders fire, torque is transferred into the crankshaft. The crankshaft deflects under this torque, which sets up vibrations when the torque is released. At certain engine speeds the torque imparted by the cylinders are in sync with the vibrations in the crankshaft, which results in a phenomenon called resonance This resonance causes stress beyond what the crankshaft can withstand, resulting in crankshaft failure. The accessory pulley acts as a balancer and prevents these vibrations from destroying your crankshaft.
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Continental - Corporate Logo
T#:14481
Part#: 11287628652
Back Ordered
$ 36.44

This product was last offered at the strikethrough price on
04-28-2026

$ 28.28 USD
Free Shipping on orders $49 and up
$ 28.28 USD
Free Shipping on orders $49 and up
This is the main drive belt / serpentine belt 7PK x 1855 that drives all of the engine auxillaries, such as the alternator, A/C and power steering pump. If your belt has excessive cracks, dry rot, missing teeth and/or grooves, or are causing noise, it's time for a new one.

This item fits the following BMWs:
2008-2010 E82 BMW 135i
2011 E82 BMW 1M Coupe
2006-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2011-2013 E92 BMW 335is - Coupe
2007-2010 E93 BMW 335i Convertible
2011-2013 E93 BMW 335is Convertible
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Packaged by Turner - Corporate Logo
T#:1241396
Part#: TMSN54BPKT
Back Ordered
Sale - Save 6% $ 541.99

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

$ 509.19 USD
Free Shipping
Sale - Save 6%
$ 541.99

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

$ 509.19 USD
Free Shipping
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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Rein - Corporate Logo
T#:45997481
Part#: PKP0246
Ships in 4 Business Days
$ 64.99 USD
Free Shipping on orders $49 and up
Plastic power steering pump pulleys can wear over time or even crack. If you are replacing your pump or if your pulley has worn or failed, upgrade to this aluminum pulley from OEM Rein.
Febi - Corporate Logo
T#:56724712
Part#: 11287628653
Special Order: No Guaranteed ETA
New Item
$ 246.99 USD
Free Shipping on orders $49 and up
Maintain optimal power delivery and auxiliary component efficiency with the Febi Bilstein Accessory Drive Belt Kit.

Ina - Corporate Logo
T#:42234660
Part#: FB6K783
Ships in 8 Business Days
$ 37.99 USD
Free Shipping on orders $49 and up
Protect your BMW’s performance and reliability with the INA Accessory Drive Belt engineered to keep your engine accessories running at their best.