BMW Drive Belts & V-Belts for BMW 1 Series E82 (2008-2013)

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

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

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OEM Accessory Belt Service Kit - N54 3.0L
OEM Accessory Belt Service Kit - N54 3.0L
Packaged by Turner - Corporate Logo
T#:554448
Part#: N54ACCKT
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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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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X N54
Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...
Packaged by Turner - Corporate Logo
T#:22163422
Part#: 11287568247TKT
Ships in 7 Business Days
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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 - E82/88 E9X N55
OEM Accessory Belt Service Kit - E82/88 E9X N55
Packaged by Turner - Corporate Logo
T#:567679
Part#: 11287582946KT4
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Sale - Save 12% $ 212.99

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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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OEM Accessory Belt Service Kit - N52 3.0L
OEM Accessory Belt Service Kit - N52 3.0L
Packaged by Turner - Corporate Logo
T#:593693
Part#: N52ABKT
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Sale - Save 18% $ 135.99

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07-08-2026

$ 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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Lower Idler Pulley
Lower Idler Pulley
Bremmen Parts - Corporate Logo
T#:32350850
Part#: 11287557851
In Stock
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$ 23.79 USD
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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N52
Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N52 ...
Packaged by Turner - Corporate Logo
T#:22130432
Part#: 11287530314TKT
Ships in 7 Business Days
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05-03-2026

$ 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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Accessory Belt Tensioner Assembly
Accessory Belt Tensioner Assembly
Bremmen Parts - Corporate Logo
T#:29101657
Part#: 11287563927
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Sale - Save 17% $ 69.99

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$ 57.79 USD
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Upper Idler Pulley
Upper Idler Pulley
Bremmen Parts - Corporate Logo
T#:26305073
Part#: 11287556251
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07-14-2026

$ 23.99 USD
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N54 AC Delete Accessory Belt Kit - BMW N54 3.0L
N54 AC Delete Accessory Belt Kit - BMW N54 3.0L
Packaged by Turner - Corporate Logo
T#:26771665
Part#: 7PK1660KT
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05-03-2026

$ 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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N54 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N54 3.0L
N54 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N54 3.0...
Packaged by Turner - Corporate Logo
T#:1241396
Part#: TMSN54BPKT
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Sale - Save 6% $ 541.99

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05-03-2026

$ 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 N55
Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...
Packaged by Turner - Corporate Logo
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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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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Bremmen Belt Tensioner Assembly -- E60 E61 E70 E82 E88 E9X Z4
Bremmen Belt Tensioner Assembly -- E60 E61 E70 E82 E88 E9X Z4 ...
Bremmen Parts - Corporate Logo
T#:39497969
Part#: 11287530314
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05-03-2026

$ 43.24 USD
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This tensioner keeps the belt for the alternator, power steering, and air conditioning taut to provide maximum performance of each system.
Deflection Pulley
Deflection Pulley
Bremmen Parts - Corporate Logo
T#:34080699
Part#: 11287578674
In Stock
Sale - Save 21% $ 28.99

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$ 22.84 USD
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Idler Pulley
Idler Pulley
Bremmen Parts - Corporate Logo
T#:34080698
Part#: 11287578675
In Stock
Sale - Save 21% $ 27.99

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$ 22.02 USD
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N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N55 3.0L
N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N55 3.0...
Packaged by Turner - Corporate Logo
T#:1241397
Part#: TMSE90N55BPKT
In Stock
$ 576.99

This product was last offered at the strikethrough price on
07-22-2026

$ 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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Deflection Pulley
Deflection Pulley
Bremmen Parts - Corporate Logo
T#:26305076
Part#: 11287535860
In Stock
Sale - Save 19% $ 20.99

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

$ 16.99 USD
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Alternator Pulley
Alternator Pulley
Bremmen Parts - Corporate Logo
T#:52164889
Part#: 12317560483
Ships in 7 Business Days
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Sale - Save 15% $ 44.99

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$ 38.24 USD
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Is your BMW making a chirping or grinding noise at idle? The culprit is frequently a failing alternator decoupler pulley. Unlike a traditional solid pulley, this Overrunning Alternator Pulley (OAP) allows the alternator rotor to "freewheel" when engine speeds drop suddenly. This specialized function protects your BMW drive belt and belt tensioner from excessive snap-back, vibration, and "belt slap."

Prevent Catastrophic Engine Failure

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

Features & Benefits:

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

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Accessory Belt Tensioner Assembly
Accessory Belt Tensioner Assembly
Bremmen Parts - Corporate Logo
T#:54995068
Part#: 11287582946
Ships on Sep 28, 2026
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$ 52.99 USD
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$ 52.99 USD
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Double roller tensioner

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