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BMW Engine Drive Belt Parts

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Basic Accessory Belt Service Kit

ES#3486401 - YC0E - Basic Accessory Belt Service Kit - Includes belt, tensioner and idler pulley - Genuine BMW - BMW

Includes belt, tensioner and idler pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
3486401
Mfg#:
11282457049
In Stock
6% off MSRP

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

$280.99

This product was last offered at the strikethrough price on
07-20-2026

$264.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2593867 - 11287837898KT1 - Accessory Belt Kit - Everything you need to service your belt drive system using quality aftermarket components - Assembled By ECS - BMW

Everything you need to service your belt drive system using quality aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593867
Mfg#:
11287837898KT1
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 11%
$274.00

This product was last offered at the strikethrough price on
07-20-2026

$244.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Conversion Kit

ES#517967 - 11287838797 - Hydraulic Alternator Belt Tensioner Conversion Kit - Complete conversion kit for converting alternator tensioner over to the more reliable hydraulic tensioner design - Assembled By ECS - BMW

Complete conversion kit for converting alternator tensioner over to the more reliable hydraulic tensioner design 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
517967
Mfg#:
11287838797
In Stock
ON SALE!
$113.99

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

$110.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schwaben BMW Belt Tensioner Tool

ES#3136158 - 020023SCH01A - Schwaben BMW Belt Tensioner Tool - Much easier than using a T60 Torx socket! A must have for belt service on N54/N55 engines. - Schwaben - BMW
ECS Tuning recommends this product.

Much easier than using a T60 Torx socket! A must have for belt service on N54/N55 engines. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3136158
Mfg#:
020023SCH01A
In Stock
ON SALE! SAVE 25%
$67.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Service Kit

ES#2598809 - 11287512762KT1 - Accessory Drive Belt Service Kit - Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner - Assembled By ECS - BMW

Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2598809
Mfg#:
11287512762KT1
In Stock
ON SALE!
$228.99

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

$222.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 "Bulletproof" Crank Kit

ES#4642990 - ECSN54BPKRKT - N54 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4642990
Mfg#:
ECSN54BPKRKT
Ships in 9 Business Days
Auto Notify
ON SALE!
$574.99

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

$541.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Accessory Belt Tensioner - Mechanical

ES#4830645 - 11288570439 - Accessory Belt Tensioner - Mechanical - For Gen 1 B58 - Bremmen Parts - BMW MINI

For Gen 1 B58 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830645
Mfg#:
11288570439
In Stock
ON SALE! SAVE 20%
$93.99

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

$75.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

ES#3129598 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - URO - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3129598
Mfg#:
11287838797
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Service Kit

ES#4772933 - 11288613707KT2 - Accessory Belt Service Kit - Everything you need to service your belt drive system using high quality parts - Assembled By ECS - BMW

Everything you need to service your belt drive system using high quality parts 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4772933
Mfg#:
11288613707KT2
Back Ordered
Auto Notify
ON SALE! SAVE 18%
$121.99

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

$99.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2813369 - 11287515865 - Belt Tensioner Assembly - Includes both rollers for accessory belt - Hamburg Tech - BMW

Includes both rollers for accessory belt We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813369
Mfg#:
11287515865
In Stock
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S54 Power Pulley Kit

ES#3191638 - PPK-S54 - S54 Power Pulley Kit - Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! - Turner Motorsport - BMW

Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! 10X Entries For Our 25th Anniversary Sweepstakes!
Gains of up to 10hp on a stock M3!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3191638
Mfg#:
PPK-S54
In Stock
ON SALE! SAVE 25%
$418.99

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

$314.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#4830551 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - Bremmen Parts - BMW

Complete tensioner assembly 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830551
Mfg#:
11287530314
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#2162740 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Ina - BMW
ECS Tuning recommends this product.

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2162740
Mfg#:
11281427252
Ships in 3 Business Days
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2562556 - 11287568247 - Accessory Belt - Drives power steering pump, alternator and A/C compressor - Continental - BMW
ECS Tuning recommends this product.

Drives power steering pump, alternator and A/C compressor We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2562556
Mfg#:
11287568247
Back Ordered
$36.44

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

$33.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#3184303 - 11288673720 - Idler Pulley - Directs the accessory serpentine belt. - Ina - BMW
ECS Tuning recommends this product.

Directs the accessory serpentine belt. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3184303
Mfg#:
11288673720
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Drive Belt Parts

Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.

Other BMW Engine Drive Belt Parts

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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