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BMW Drive Belts & V-Belts

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

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

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ECS - Corporate Logo
T#:363707
Part#: 001977ECS03A
In Stock
Sale - Save 5% $ 104.99

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

$ 99.74 USD
Free Shipping
Sale - Save 5%
$ 104.99

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

$ 99.74 USD
Free Shipping
Most of the pulleys on your BMW engine are plastic, which become brittle and frail over time and from engine bay heat. A failed pulley could leave you stranded which is why it is vital to inspect the pulleys during routine maintenance. This is an aluminum version of the stock water pump pulley used on the M50/M52/M52TU/M54 engine in the E36, E46, Z3, Z4, and other models. It uses the same hardware and the original belt as the stock plastic pulley. But the aluminum will last much longer.
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Packaged by Turner - Corporate Logo
T#:587391
Part#: 11287628661ABKT
In Stock
$ 171.99

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

$ 153.99 USD
Free Shipping
$ 153.99 USD
Free Shipping
This kit includes the basic components recommended to replace when it comes time to swap out your accessory belt.
Packaged by Turner - Corporate Logo
T#:22097553
Part#: 11287628661TKT
In Stock
Sale - Save 23% $ 131.99

This product was last offered at the strikethrough price on
06-16-2026

$ 101.98 USD
Free Shipping on orders $49 and up
Sale - Save 23%
$ 131.99

This product was last offered at the strikethrough price on
06-16-2026

$ 101.98 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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ECS - Corporate Logo
T#:18932345
Part#: 6PK1555
Ships on Nov 12, 2026
$ 32.99 USD
Free Shipping on orders $49 and up
$ 32.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11281437929 and 11287636378 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:21670107
Part#: 5PK906
In Stock
$ 26.99 USD
Free Shipping on orders $49 and up
$ 26.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11281437449, 11281437873, and 11281470024 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:5858460
Part#: 7PK1860
In Stock
$ 49.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287628653 and 11287570664 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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Packaged by Turner - Corporate Logo
T#:554448
Part#: N54ACCKT
In Stock
Sale - Save 15% $ 197.99

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

$ 169.24 USD
Free Shipping
Sale - Save 15%
$ 197.99

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

$ 169.24 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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ECS - Corporate Logo
T#:20979672
Part#: 6PK1460
In Stock
$ 33.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287837898 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:22163424
Part#: 4PK685
In Stock
$ 29.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287848606 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:5858455
Part#: 7PK1855
Ships on Nov 12, 2026
$ 41.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287628652 and 11287568247 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:5858464
Part#: 8PK1398
In Stock
$ 41.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287848605 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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Packaged by Turner - Corporate Logo
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
Free Shipping
Sale - Save 29%
$ 89.15

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

$ 62.94 USD
Free Shipping
This kit includes the basic components recommended to replace when it comes time to swap out your accessory belt.


ECS - Corporate Logo
T#:5858461
Part#: 8PK1390
In Stock
$ 52.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287628661 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.
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Packaged by Turner - Corporate Logo
T#:567679
Part#: 11287582946KT4
Ships in 2 Business Days
Sale - Save 4% $ 212.99

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

$ 205.16 USD
Free Shipping
Sale - Save 4%
$ 212.99

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

$ 205.16 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 to be replaced such as the belts, tensioners, and hardware.
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Packaged by Turner - Corporate Logo
T#:22163422
Part#: 11287568247TKT
Ships on Nov 12, 2026
Sale - Save 15% $ 209.99

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

$ 178.94 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 209.99

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

$ 178.94 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 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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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.
Show More Show Less

ECS - Corporate Logo
T#:23416515
Part#: 5PK830
Back Ordered
$ 26.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287830946 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:367060
Part#: 002778ECS01
Ships on Dec 7, 2026
Sale - Save 10% $ 100.99

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

$ 90.89 USD
Free Shipping
Sale - Save 10%
$ 100.99

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

$ 90.89 USD
Free Shipping
Most of the pulleys on your BMW engine are plastic, which become brittle and frail over time and from engine bay heat. A failed pulley could leave you stranded which is why it is vital to inspect the pulleys during routine maintenance. This is an aluminum version of the stock water pump pulley used on the S54 engine in the E46 M3, MZ3, and Z4M. It's the same size and uses the same hardware and the original belt as the stock plastic pulley. But the aluminum will last much longer.
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ECS - Corporate Logo
T#:5858440
Part#: 6PK1003
In Stock
$ 45.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287618848 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:5858454
Part#: 6PK1990
Back Ordered
$ 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.

Hydraulic Alternator Belt Tensioner Assembly
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:396757
Part#: 11287838797
In Stock
$ 53.99 USD
Free Shipping on orders $49 and up

Friction Wheel N12 N14 N16 N18 1.6L Engine
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:591689
Part#: 11287598833
In Stock
$ 84.99 USD
Free Shipping
$ 84.99 USD
Free Shipping

Friction Wheel for MINI N12 N14 N16 N18 1.6L Engine - URO

Upgrade your MINI's engine with the Friction Wheel for N12 N14 N16 N18 1.6L engine from URO. This friction wheel serves as a vital link between two pulleys, driving the water pump for optimal engine performance. Over time, the bearings in this unit may begin to squeak and fail, making it essential to replace when changing the serpentine belt.

Benefits:

  • Ensures smooth operation of the water pump
  • Prevents squeaking bearings for quieter engine performance
  • Designed for compatibility with N12 N14 N16 N18 1.6L engines
  • Easy replacement during serpentine belt changes
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ECS - Corporate Logo
T#:3872372
Part#: 6DPK1105
In Stock
$ 30.99 USD
Free Shipping on orders $49 and up
$ 30.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287841529 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:23416498
Part#: 5PK1005
In Stock
$ 26.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287636376 & 11281435280 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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URO - Corporate Logo
T#:50066851
Part#: 11288088632
In Stock
New Item
$ 60.99

This product was last offered at the strikethrough price on
08-13-2026

$ 60.97 USD
Free Shipping on orders $49 and up
$ 60.97 USD
Free Shipping on orders $49 and up
Replaces broken or damaged drive belt tensioner.
Packaged by Turner - Corporate Logo
T#:22130432
Part#: 11287530314TKT
Back Ordered
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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Packaged by Turner - Corporate Logo
T#:22097555
Part#: 11287618848TKT
In Stock
Sale - Save 34% $ 106.99

This product was last offered at the strikethrough price on
06-01-2026

$ 70.48 USD
Free Shipping on orders $49 and up
Sale - Save 34%
$ 106.99

This product was last offered at the strikethrough price on
06-01-2026

$ 70.48 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 and an OEM tensioner assembly. 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 tensioner and upgrading your accessory belt 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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ECS - Corporate Logo
T#:5858471
Part#: 6PK1155
Ships on Nov 12, 2026
$ 34.99 USD
Free Shipping on orders $49 and up
ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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URO Crankshaft Vibration Damper - 11237573655
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:28171559
Part#: 11237573655
In Stock
$ 341.99 USD
Free Shipping on orders $49 and up
A vibration damper is crucial for preventing shock load factors that could damage the crankshaft. If your damper is faulty, opt for this quality replacement from URO Parts for a lasting and comprehensive fix.
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ECS - Corporate Logo
T#:21693590
Part#: 5PK863
In Stock
$ 26.99 USD
Free Shipping on orders $49 and up
$ 26.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11281437450 and 11281437872 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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Packaged by Turner - Corporate Logo
T#:26771665
Part#: 7PK1660KT
In Stock
Sale - Save 13% $ 75.99

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

$ 66.28 USD
Free Shipping on orders $49 and up
Sale - Save 13%
$ 75.99

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

$ 66.28 USD
Free Shipping on orders $49 and up
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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Packaged by Turner - Corporate Logo
T#:554430
Part#: 64521706826KT1
In Stock
$ 201.62

This product was last offered at the strikethrough price on
05-26-2026

$ 194.08 USD
Free Shipping
$ 194.08 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 BMWs:
1984-1991 E30 BWM 325, 325i/is/ix, 325e/es

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ECS - Corporate Logo
T#:639025
Part#: 6PK1538
Back Ordered
$ 35.99 USD
Free Shipping on orders $49 and up
$ 35.99 USD
Free Shipping on orders $49 and up
ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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Crankshaft Pulley
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:591616
Part#: 11281735358
Ships in 2 Business Days
$ 98.99 USD
Free Shipping
$ 98.99 USD
Free Shipping
Reduces vibrations and connects accessories
URO Aluminum Water Pump Pulley - E39, E46, E53, E60, E83, Z3, Z4 ...
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:340641
Part#: 11511436590
Ships in 1-2 days
$ 45.99 USD
Free Shipping on orders $49 and up
$ 45.99 USD
Free Shipping on orders $49 and up
An upgrade over commonly failing plastic pulley
Packaged by Turner - Corporate Logo
T#:401685
Part#: 11287512762KT3
In Stock
Sale - Save 3% $ 228.99

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

$ 222.24 USD
Free Shipping
Sale - Save 3%
$ 228.99

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

$ 222.24 USD
Free Shipping
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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ECS - Corporate Logo
T#:23416496
Part#: 5PK980
In Stock
$ 24.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287833266 and 11281469256 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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URO - Corporate Logo
T#:48573724
Part#: 11287835417
Ships in 2 Business Days
$ 120.11 USD
Free Shipping on orders $49 and up
Hydraulic Belt Tensioner for E9x M3 with S65 engine and E60 M5, E63 M6 with S85 engine. This oil-filled tensioner keeps the main drive belt in the proper tension. Over time, the seals wear, allowing fluid to leak out and the tensioner then 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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ECS - Corporate Logo
T#:20979670
Part#: 4PK863
In Stock
$ 26.99 USD
Free Shipping on orders $49 and up
$ 26.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287512762, 11281437450, and 11281437872 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:23416495
Part#: 7PK1629
In Stock
$ 36.99 USD
Free Shipping on orders $49 and up
$ 36.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287833264 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:23416514
Part#: 6PK1084
In Stock
Sale - Save 21% $ 28.99

This product was last offered at the strikethrough price on
05-15-2026

$ 23.04 USD
Free Shipping on orders $49 and up
Sale - Save 21%
$ 28.99

This product was last offered at the strikethrough price on
05-15-2026

$ 23.04 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287835483 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:19230362
Part#: 7PK1635
In Stock
$ 35.99 USD
Free Shipping on orders $49 and up
$ 35.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11281432724 & 11287636377 ECS Tuning Performance Kevlar-reinforced belts give you that extra peace 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. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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Power Steering Pump Pulley
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:592383
Part#: 32421722555
Ships in 2 Business Days
$ 90.99 USD
Free Shipping
$ 90.99 USD
Free Shipping
Driven by serpentine accessory belt
Packaged by Turner - Corporate Logo
T#:554454
Part#: N55BMWKT
Ships in 2 Business Days
Sale - Save 8% $ 200.99

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

$ 185.68 USD
Free Shipping
Sale - Save 8%
$ 200.99

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

$ 185.68 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.

For vehicles with dynamic or adaptive drive 

Fits the following BMWs:
F01/02 BMW
 740i/Li/Li xDrive
F10 BMW 535i/i xDrive
F12/3 BMW 640i/i xDrive
F15 BMW X5 s/xDrive35i
F16 BMW X6 s/xDrive35i

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Packaged by Turner - Corporate Logo
T#:22163426
Part#: 11287848605TKT
Ships Today
$ 414.99

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

$ 380.99 USD
Free Shipping on orders $49 and up
$ 380.99 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 ECS Kevlar Reinforced Drive Belts, 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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ECS - Corporate Logo
T#:23416511
Part#: 7PK1647
In Stock
$ 34.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11287631824 and 11287565361 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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ECS - Corporate Logo
T#:23416512
Part#: 6PK1697
Ships on Dec 9, 2026
$ 46.99 USD
Free Shipping on orders $49 and up
Replaces BMW # 11288519128, 11288512067, and 11288507415 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. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.
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Accessory Belt Tensioner Assembly
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:591622
Part#: 11287563927
In Stock
$ 60.99 USD
Free Shipping on orders $49 and up
This is the main belt tensioner for A/C, Alternator, and power steering.


Packaged by Turner - Corporate Logo
T#:29798952
Part#: 11288650740T1KT
Ships on Nov 12, 2026
Sale - Save 24% $ 137.99

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

$ 105.35 USD
Free Shipping on orders $49 and up
Sale - Save 24%
$ 137.99

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

$ 105.35 USD
Free Shipping on orders $49 and up
Having your accessory belt fail is a major inconvenience and can leave you on the side of the road if the alternator isn't charging and the mechanical water pump isn't turning. Over time the tensioner and the belt itself wears out and will eventually fail. This kit includes everything you need to service the belt drive system and keep everything in check. Included: ECS Tuning Kevlar Reinforced Performance Accessory Belt - Designed to resist OEM Febi Belt Tensioner Genuine BMW Tensioner Hardware
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Packaged by Turner - Corporate Logo
T#:22097533
Part#: 11288613707TKT
Ships on Nov 12, 2026
Sale - Save 24% $ 137.99

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

$ 105.35 USD
Free Shipping on orders $49 and up
Sale - Save 24%
$ 137.99

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

$ 105.35 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 the hardware required to install the new tensioner. 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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