BMW Drive Belts & V-Belts

OEM Continental Serpentine Belt - E46 E39 E53 E63 E83 Z3 - M52tu M54 ...

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T#:6728

Part#: 11287636379

In Stock

$ 29.99

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

$ 22.99 USD

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$ 22.99 USD

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This is the main drive belt / serpentine belt 6PK x 1538 that drives all of the engine auxillaries, such as the alternator, waterpump, 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. Alternate Part #11287636379.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1999-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i
2004-2006 E83 BMW X3 2.5i X3 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i

Also for use on Underdrive Pulley Kit.
2001-2006 E46 BMW M3 coupe & convertible
2001-2002 Z3 Z3 M Roadster / Z3 M Coupe (S54 engine)

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

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.

OEM Continental Drive Belt - Alternator/Water Pump - E46 E9X Z3 Z4 ...

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T#:3027

Part#: 11287837898

Back Ordered

$ 31.22

This product was last offered at the strikethrough price on
06-11-2026

$ 19.53 USD

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$ 19.53 USD

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This serpentine belt drives the water pump, alternator and power steering systems for BMW E46 M3, E90 E92 E93 M3, Z3 M Roadster M Coupe 2001-2002 with S54 engine and Z4 M Roadster, Z4 M Coupe. It is also known as a main drive belt.

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N55 F-Chas...

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

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Sale - Save 23%

$ 131.99

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

$ 101.98 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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Belt - Serpentine Belt - F30,F32,F33,F34,F36,F10,F12 +

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T#:22239

Part#: 11287628661

In Stock

$ 51.48

This product was last offered at the strikethrough price on
02-17-2026

$ 37.59 USD

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$ 37.59 USD

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This serpentine belt ( 8Pk 1390) drives the Air conditioning, Alternator, and power steering system for BMW's with the N55 engine. We recommend replacing the AC / Alternator / Power Steering belt every 80,000 miles.

This item fits the following BMWs:
2014+ F22 BMW M235i M235i xDrive
2014+ F23 BMW M235i
2011+ F25 BMW X3 xDrive35i
2015+ F26 BMW X4 xDrive35i
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F34 BMW 335i xDrive GT - Gran Tourismo
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
2011+ F10 BMW 535i - NOT for cars with Dynamic Drive
2010+ F07 BMW 535i GT
2012+ F12 BMW 640i - NOT for cars with Dynamic Drive<
2013+ F06 BMW 640i Gran Coupe - NOT for cars with Dynamic Drive<
2009+ F01 BMW 740i 740li - NOT for cars with Dynamic Drive<
2011-2013 E70 BMW X5 xDrive35i
2011-2013 E71 BMW X6 xDrive35i
2014+ F15 BMW X5 xDrive35i - NOT for cars with Dynamic Drive<
2015+ F16 BMW X6 sDrive35i X6 xDrive35i - NOT for cars with Dynamic Drive<

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OEM Continental Serpentine Belt - E90 E92 E82 E60 E84

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T#:340662

Part#: 11287628653

In Stock

$ 51.99

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

$ 31.99 USD

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$ 31.99 USD

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This serpentine belt (7pk-1860) drives the Air conditioning, Alternator, and power steering system for BMW's with the N54/N55 engine. We recommend replacing the AC / Alternator / Power Steering belt every 80,000 miles.

This item fits the following BMWs:
2011-2013� E82 BMW �135i 135is
2011-2011� E90 BMW �335i 335xi 335i xDrive - Sedan
2011-2013� E92 BMW �335i 335xi 335i xDrive - Coupe
2011-2013� E93 BMW �335i Convertible
2008-2010� E60 BMW �535i 535i xDrive
2013+� E84 BMW �X1 xDrive35i

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OEM Accessory Belt Service Kit - N54 3.0L

T#:554448

Part#: N54ACCKT

In Stock

Sale - Save 15% $ 197.99

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

$ 169.24 USD

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Sale - Save 15%

$ 197.99

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

$ 169.24 USD

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

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OEM Continental Serpentine Drive Belt - N54 - E90 E92 335i 335xi, E82...

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T#:14481

Part#: 11287628652

Back Ordered

$ 36.44

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

$ 28.28 USD

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$ 28.28 USD

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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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OEM Continental Accessory Serpentine Belt - E90 E82 E60 E70 E83 ...

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T#:201819

Part#: 11287549150

In Stock

$ 40.03

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

$ 26.45 USD

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$ 26.45 USD

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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 - F3X F10 N20 2.0L

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.

OEM Accessory Belt Service Kit - E82/88 E9X N55

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

$ 204.87 USD

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Sale - Save 4%

$ 212.99

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

$ 204.87 USD

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

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

T#:22163422

Part#: 11287568247TKT

Ships on Sep 10, 2026

Sale - Save 15% $ 209.99

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

$ 178.94 USD

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$ 209.99

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

$ 178.94 USD

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

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OEM Accessory Belt Service Kit - N52 3.0L

T#:593693

Part#: N52ABKT

In Stock

Sale - Save 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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OEM Febi Hydraulic Alternator Belt Tensioner Assembly - E34 E39 E53 ...

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T#:363804

Part#: 11287838797

Ships on Nov 10, 2026

$ 83.99 USD

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$ 83.99 USD

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The Hydraulic Alternator Belt Tensioner is exposed to a lot of dirt, salt, and other debris due to its front lower location. This can cause the tensioner to seize and not allow the belt tensioner to adjust. Replace your belt tensioner with this OEM high quality hydraulic tensioner for many years of reliable operation to come.

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Continental Accessory Belt - F80 M3,F82 M4,F83

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T#:584054

Part#: 11287848605

In Stock

$ 62.67

This product was last offered at the strikethrough price on
02-17-2026

$ 39.50 USD

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$ 39.50 USD

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Conti Tech AC & Alternator Accessory Belt - N20 2.0L

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T#:379606

Part#: 11287618848

In Stock

$ 41.81

This product was last offered at the strikethrough price on
03-17-2026

$ 20.90 USD

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$ 20.90 USD

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OEM replacement A/C & Alternator accessory belt.

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

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

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Sale - Save 18%

$ 127.99

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

$ 104.71 USD

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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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OEM Febi Air Conditioning Hydraulic Belt Tensioner - E36 E39 Z3 ...

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T#:12943

Part#: 11281717210

In Stock

$ 74.99

This product was last offered at the strikethrough price on
05-02-2026

$ 61.99 USD

Limited Qty Sale

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$ 74.99

This product was last offered at the strikethrough price on
05-02-2026

$ 61.99 USD

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For Air Conditioning A/C Belt

Hydraulic Belt Tensioner for E36, E39, Z3 6-cyl models. 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.
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 BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-6/1998 E39 BMW 528i
1997-1999 Z3 BMW Z3 2.3 Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F3X F10 N20 2....

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

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Sale - Save 34%

$ 106.99

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

$ 70.48 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 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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Belt - Serpentine Belt - E70, E71,F06,F10,F12,F13,F15,F16

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T#:14483

Part#: 11287628659

Ships in 2 Business Days

$ 59.45 USD

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$ 59.45 USD

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This serpentine belt ( 8Pk 1478) drives the Air conditioning, Alternator, and power steering system for BMW's with the N55 engine. We recommend replacing the AC / Alternator / Power Steering belt every 80,000 miles.

This item fits the following BMWs:
2011+ F10 BMW 535i 535i xDrive - Only for cars with Dynamic Drive
2010+ F07 BMW 535i GT, 535i xDrive GT
2012+ F12 BMW 640i 640i xDrive - Only for cars with Dynamic Drive<
2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe - Only for cars with Dynamic Drive<
2009+ F01 BMW 740i 740li 740li xDrive - Only for cars with Dynamic Drive<
2011-2013 E70 BMW X5 xDrive35i
2011-2013 E71 BMW X6 xDrive35i
2014+ F15 BMW X5 xDrive35i - Only for cars with Dynamic Drive<
2015+ F16 BMW X6 sDrive35i X6 xDrive35i - Only for cars with Dynamic Drive<

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N54 AC Delete Accessory Belt Kit - BMW N54 3.0L

T#:26771665

Part#: 7PK1660KT

In Stock

Sale - Save 13% $ 75.99

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

$ 66.28 USD

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$ 75.99

This product was last offered at the strikethrough price on
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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MINI R56 Drive Wheel for Water Pump

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T#:591822

Part#: 11517619020

In Stock

$ 50.99

This product was last offered at the strikethrough price on
02-16-2026

$ 41.99 USD

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$ 41.99 USD

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Upgrade your vehicle's performance with the Mini Drive Wheel/Pulley from FEBI, the trusted OES supplier. Designed to mount to the water pump and seamlessly spin it via the drive belt, this essential component ensures optimal functioning of your vehicle's cooling system. It's a reliable replacement for worn-out or damaged parts, offering enhanced durability and efficiency. Invest in FEBI's Mini Drive Wheel/Pulley for a smoother ride and peace of mind on the road.

Enhances vehicle performance
Reliable replacement for worn-out parts
Ensures optimal functioning of the cooling system
Manufactured by FEBI, a trusted OES supplier

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Belt - Alternator - E12 E23 E24 E28 E32 E34 - 13x1055

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T#:2120

Part#: 11231706668

Ships in 6 Business Days

$ 21.99

This product was last offered at the strikethrough price on
08-12-2026

$ 17.39 USD

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$ 17.39 USD

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This alternator belt for BMW E12 E23 E24 E28 E32 E34 - 13mm X 1055mm.

This item fits the following BMWs:
1976-1981 E12 BMW 528i 530i
1982-1988 E28 BMW 524td 528e 533i
1989-1992 E34 BMW 535i
1977-1989 E24 BMW 633csi M6
1980-1987 E23 BMW 733i 735i
1988-1992 E32 BMW 735i 735il

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OEM Accessory Belt Service Kit - E30 M20

T#:554430

Part#: 64521706826KT1

In Stock

$ 201.62

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

$ 194.08 USD

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$ 194.08 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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Belt - Serpentine - E39 540i (97-98) M5, E38 740i/il, E31 840ci ...

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T#:6746

Part#: 11287833264

In Stock at Vendor

$ 52.00 USD

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$ 52.00 USD

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This is the main drive belt / serpentine belt that drives all of the engine auxillaries, such as the alternator, waterpump, 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. 7K X 1629.

This item fits the following BMWs:
1997-1998 E39 BMW 540i
2000-2003 E39 BMW M5
1995-2001 E38 BMW 740i 740il
1990-1999 E31 BMW 840i 840ci

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OEM Continental Main Drive Belt - E60 M5, E63 M6

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T#:14491

Part#: 11287838226

In Stock

$ 31.99

This product was last offered at the strikethrough price on
02-23-2026

$ 20.99 USD

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$ 20.99 USD

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This is the replacement serpentine drive belt used on the S85 V10 engine (E60 M5 and E63/E64 M6). This belt measures 6pkx1432.

This item fits the following BMWs:
2006-2010 E60 BMW M5
2006-2010 E63 BMW M6

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ContiTech Accessory Belt - Air Conditioning - E90 E92 M3

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T#:14490

Part#: 11287838200

In Stock

$ 40.99

This product was last offered at the strikethrough price on
06-22-2026

$ 27.49 USD

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$ 27.49 USD

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This belt drives the air conditioning compressor for the AC system. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.

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

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

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Sale - Save 3%

$ 228.99

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

$ 222.24 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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Belt - Serpentine Belt - E38 E39 540i (99-03) X5

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T#:4467

Part#: 11281432724

In Stock

$ 29.99 USD

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$ 29.99 USD

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This serpentine belt drives the alternator,water pump and power steering pump. The belt size is 7k X 1635.

This item fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il
2000-2006 E53 BMW X5 4.4i

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OEM Accessory Belt Service Kit - F10 F12 F13 F15 F16 F01 F02 ...

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

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Qty

Sale - Save 8%

$ 200.99

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

$ 185.68 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.

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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Continental Belt - A/C Compressor 6K X 1065 - E90 M3

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T#:595128

Part#: 11287838200

Ships in 2 Business Days

$ 25.99 USD

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Qty

$ 25.99 USD

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F8X S55 ...

T#:22163426

Part#: 11287848605TKT

Ships in 5 Business Days

$ 414.99

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

$ 380.99 USD

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Qty

$ 380.99 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 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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OEM Febi Mechanical Accessory Belt Tensioner - BMW B46/48 B58 ...

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T#:587397

Part#: 11288570439

Ships in 7 Business Days

$ 140.99

This product was last offered at the strikethrough price on
05-07-2026

$ 122.99 USD

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$ 122.99 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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OEM Febi Idler Pulley - Multiple BMWs

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T#:382342

Part#: 11287841228

In Stock

$ 48.99 USD

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$ 48.99 USD

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This is an OEM Febi 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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N54 "Bulletproof" Crank Hub & Serpentine Kit - BMW E82/88 E9X N54 3.0...

T#:1241396

Part#: TMSN54BPKT

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05-03-2026

$ 512.27 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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Performance Accessory Belt Kit - Kevlar Reinforced - BMW B46TU/B48TU...

T#:29798952

Part#: 11288650740T1KT

Ships on Nov 12, 2026

Sale - Save 24% $ 137.99

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$ 105.35 USD

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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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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F22/23 F3X B58...

T#:22097533

Part#: 11288613707TKT

Ships on Nov 12, 2026

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$ 105.35 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 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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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...

T#:22163417

Part#: 11287582946TKT

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$ 221.92 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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Accessory Belt, Tensioner, and Idler Pulley Kit - E82, E90, E92, E60,...

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T#:182558

Part#: ADK0022P

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$ 173.99 USD

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$ 173.99 USD

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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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Accessory Belts and Tensioners Kit - E39, E46, Z3 - M52TU, M54 Engine...

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T#:182557

Part#: ADK0023P

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$ 236.99 USD

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$ 236.99 USD

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Continental is the OEM supplier for the stock serpentine accessory belt on your M52TU or M54 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, 11281706545
A/C belt, 11281437450
mechanical belt tensioner with pulley, 11281427252
A/C belt tensioner with pulley, 11287512758
deflection pulley, 11281748130
mounting bolts

This kit fits cars with the mechanical belt tensioner only. Generally this is all cars up to 2002 model year but you may want to double check your car and match the picture to the tensioner on your engine. The hydraulic tensioner has a miniature shock absorber on the belt tensioner. You can also tell early from late by the A/C belt. BMW changed the spec from a 5-rib belt up to 2002 to a 4-rib belt from 2003 onwards. This kit does not fit any M56 SULEV engines.

This item fits the following BMWs:
1999-2002 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1999-2002 E39 BMW 525i 528i 530i
2000-2002 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i

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S54 Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul S...

T#:15710772

Part#: 11281730349-KT

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$ 494.69 USD

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The idea of power pulleys is simple. The less effort the engine puts into running accessories such as the water pump, power steering, pump alternator etc., the more of that power can be used elsewhere - your wheels! The way this is done by reducing the rotation of the pulleys by as much as 10-20%! The end result is more horsepower at your disposal. Turner has done extensive testing (on and off the track), to ensure that the accessory systems still function as intended and without failure. These pulleys offer an excellent compromise of power gains, reliability and performance. All Turner pulleys are constructed of high quality T-6061 aluminum for durability and longevity. They are also finished in a black hard anodizing, which is highly resistant to wear including chemical and heat exposure. They have been designed to carry stock-like aesthetics, but with increased strength properties and lighter weight. Because of the durable aluminum construction, you can also put the worries of a serious plastic failure to rest. These pulleys will last, all the while increasing horsepower too! While you're installing your Power Pulley Kit, it makes sense to overhaul your Accessory Belt System as well, so this kit includes our Accessory Belt Kit as well.

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OEM Accessory Belt Service Kit - E9X M3 S65

T#:391554

Part#: 11287837898

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Starting at $ 964.99 USD

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Starting at $ 964.99 USD

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

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OEM Accessory Belt Service Kit - B46/48 B58

T#:587399

Part#: 112886137071ABKT

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$ 98.77 USD

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$ 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 - E39, E46 M54 (up to 2002)

T#:401686

Part#: 11281748131KT2

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

$ 265.58 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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Hydraulic Alternator Belt Tensioner Conversion Kit

T#:15710833

Part#: 11287838797-KT

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Sale - Save 1% $ 165.99

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05-03-2026

$ 163.64 USD

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The original mechanical design is has been discontinued by BMW. So now Turner offers this complete hydraulic tensioner conversion kit for your BMW alternator/water pump/power steering belt. Changes the old style mechanical design to the updated hydraulic design recommended by BMW. Includes the following parts Hydraulic Tensioner Adjusting Pulley Caps & Dust Guards Securing Hardware

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E36 Z3 M52 S52...

T#:22130428

Part#: 11281437929TKT

Ships on Nov 12, 2026

Sale - Save 8% $ 264.99

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

$ 244.54 USD

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Eliminate your squeaking accessory belt pulleys and cracked drive belts with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, an OEM A/C belt, belt tensioners, an idler pulley, and the hardware required for installation 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 belts, rollers, and 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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Febi Water Pump Pulley - E39, E46, E53, E60, E83, Z3, Z4

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T#:373752

Part#: 11511436590

Ships in 1-2 days

$ 40.99

This product was last offered at the strikethrough price on
08-12-2026

$ 24.99 USD

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$ 24.99 USD

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A common failing piece due to the plastic design.

OEM Continental A/C Belt - E90 335d

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T#:554451

Part#: 64557793608

Ships in 7 Business Days

$ 23.20 USD

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$ 23.20 USD

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This belt drives the air conditioning compressor for the AC system. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.

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

T#:1241397

Part#: TMSE90N55BPKT

Ships in 2 Business Days

$ 601.55 USD

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$ 601.55 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 - E46 E39 E53 M54 (Pre-09/2002) ...

T#:554446

Part#: M54ACCKT2

In Stock

Sale - Save 3% $ 256.99

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

$ 249.51 USD

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This product was last offered at the strikethrough price on
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$ 249.51 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:
2000-09/2002 E53 BMW X5 M54
2000-09/2002 E39 BMW M54
1999-09/2002 E46 BMW M54

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