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BMW Engine Drive Belt Parts

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Water Pump/Alternator Tensioner Pulley

ES#21644 - 11281704500 - Water Pump/Alternator Tensioner Pulley - Replacement tensioner pulley for the water pump and alternator - Genuine BMW - BMW

Replacement tensioner pulley for the water pump and alternator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date up to 08/1997

Brand:
Genuine BMW - Corporate Logo
ES#:
21644
Mfg#:
11281704500
Ships in 6 Business Days
6% off MSRP

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

$137.99

This product was last offered at the strikethrough price on
10-26-2026

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced - Water Pump/Alternator

ES#4698461 - 6PK1548KT - Performance Accessory Belt Kit - Kevlar Reinforced - Water Pump/Alternator - Utilizes high quality components and our performance Kevlar reinforced belt - Assembled By ECS - BMW

Utilizes high quality components and our performance Kevlar reinforced belt 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4698461
Mfg#:
6PK1548KT
Ships on Feb 23, 2027
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Air Conditioning Compressor

ES#21618 - 11281437450 - Accessory Belt - Air Conditioning Compressor - Keep your A/C system operating properly. - Genuine BMW - BMW

Keep your A/C system operating properly. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
21618
Mfg#:
11281437450
Ships in 1 day
9% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
10-26-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Conversion Kit - S50

ES#4666672 - 11287838797S50KT - Hydraulic Alternator Belt Tensioner Conversion Kit - S50 - Assembled By ECS - BMW

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4666672
Mfg#:
11287838797S50KT
Ships in 1 day
$171.99

This product was last offered at the strikethrough price on
10-12-2026

$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump

ES#2787165 - 11287636372 - Accessory Belt - Alternator/Water Pump - Drives Critical Components - Genuine BMW - BMW

Drives Critical Components Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2787165
Mfg#:
11287636372
Ships in 1 day
9% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
10-26-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley - Priced Each

ES#4830647 - 11287790448 - Deflection Pulley - Priced Each - Accessory drive belt idler pulley - Bremmen Parts - BMW

Accessory drive belt idler pulley 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830647
Mfg#:
11287790448
In Stock
ON SALE! SAVE 21%
$26.99

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

$21.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Water Pump/Alternator

ES#2800460 - 11287838226 - Accessory Belt - Water Pump/Alternator - Drives the water pump and alternator - Continental - BMW

Drives the water pump and alternator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2800460
Mfg#:
11287838226
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Power Steering

ES#2595937 - 11287603084 - Accessory Belt - Power Steering - drives power steering pump - Genuine BMW - BMW

drives power steering pump Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2595937
Mfg#:
11287603084
Ships in 1 day
16% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
10-26-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt - Mechanical Fuel Injection Pump

ES#2633578 - 13521259268 - Belt - Mechanical Fuel Injection Pump - Genuine BMW - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2633578
Mfg#:
13521259268
Ships in 1 day
3% off MSRP

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

$63.99

This product was last offered at the strikethrough price on
10-26-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#2710246 - 11287516847 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Ina - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2710246
Mfg#:
11287516847
Ships in 1 day
$41.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#4871787 - 11287545296 - Accessory Belt Tensioner - Applies pressure to the drive belt that operates the water pump and alternator - URO - BMW

Applies pressure to the drive belt that operates the water pump and alternator 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4871787
Mfg#:
11287545296
Ships in 1 Business Day
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#2562606 - 11287563927 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, Alternator, and power steering. - Febi - BMW

This is the main belt tensioner for A/C, Alternator, and power steering. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2562606
Mfg#:
11287563927
Ships in 1 Business Day
$122.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Protection Cap

ES#21792 - 11287795159 - Protection Cap - Used to cover the securing bolt - Genuine BMW - BMW

Used to cover the securing bolt Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
21792
Mfg#:
11287795159
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#2158251 - 11281731220 - Idler Pulley - Runs on water pump and alternator belt - Ina - BMW

Runs on water pump and alternator belt Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2158251
Mfg#:
11281731220
Ships in 1 Business Day
$61.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump/Power Steering Belt

ES#2612221 - 11281437369 - Accessory Belt - Alternator/Water Pump/Power Steering Belt - Drives critical components - Continental - BMW

Drives critical components Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2612221
Mfg#:
11281437369
Ships in 8 Business Days
$24.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - priced each

ES#14747 - 07119905549 - Hex Bolt - priced each - M8x40 - Genuine BMW - BMW

M8x40 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
14747
Mfg#:
07119905549
Ships in 1 day
11% off MSRP

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

$8.99

This product was last offered at the strikethrough price on
10-26-2026

$7.99 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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