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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Pulley Parts

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Bosch Alternator Tool Kit - 13 Pieces

ES#11415 - bta-13pcs - Bosch Alternator Tool Kit - 13 Pieces - Remove and install OAD alternator pulleys - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Remove and install OAD alternator pulleys 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
11415
Mfg#:
BTA-13PCS
In Stock
ON SALE! SAVE 30%
$78.99

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

$55.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - M8x105mm

ES#14586 - 07119904532 - Hex Bolt - M8x105mm - Worn hardware should be replaced before it fails - Genuine BMW - BMW

Worn hardware should be replaced before it fails Secures the top of the hydraulic alternator belt tensioner assembly to the bracket

Brand:
Genuine BMW - Corporate Logo
ES#:
14586
Mfg#:
07119904532
In Stock
$7.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley - 66mm

ES#29288 - 12311288238 - Alternator Pulley - 66mm - Includes washer - Genuine BMW - BMW

Includes washer

Brand:
Genuine BMW - Corporate Logo
ES#:
29288
Mfg#:
12311288238
Ships in 3 Business Days
3% off MSRP

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

$109.99

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

$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Tensioner Assembly

ES#4920368 - FT30097 - Accessory Drive Belt Tensioner Assembly - Bring your classic BMW back to peak operating condition with this Accessory Drive Belt Tensioner Assembly from INA to deliver the OE components your Ultimate Driving Machine deserves. - Ina - BMW

Bring your classic BMW back to peak operating condition with this Accessory Drive Belt Tensioner Assembly from INA to deliver the OE components your Ultimate Driving Machine deserves.

Brand:
Ina - Corporate Logo
ES#:
4920368
Mfg#:
FT30097
Ships in 7 Business Days
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Tensioner - Priced Each

ES#3215669 - 11281722789 - Hydraulic Tensioner - Priced Each - Updated hydraulic tensioner from BMW which replaced the older style mechanical tensioner - Ina - BMW

Updated hydraulic tensioner from BMW which replaced the older style mechanical tensioner We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3215669
Mfg#:
11281722789
In Stock
ON SALE!
$64.99

This product was last offered at the strikethrough price on
06-25-2026

$61.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer Puller and Installer Set

ES#4372117 - W89711 - Harmonic Balancer Puller and Installer Set - For removal and installation of harmonic balancers on most automotive and light truck applications. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For removal and installation of harmonic balancers on most automotive and light truck applications.

Brand:
Performance Tool - Corporate Logo
ES#:
4372117
Mfg#:
W89711
Ships in 1 Business Day
$166.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley

ES#20447 - 11231280958 - Crankshaft Pulley - Does not include vibration damper - Genuine BMW - BMW

Does not include vibration damper

Brand:
Genuine BMW - Corporate Logo
ES#:
20447
Mfg#:
11231280958
Ships in 5 Business Days
1% off MSRP

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

$154.99

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

$153.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pulley Puller

ES#4371952 - W80653 - Pulley Puller - Pulls pressed on 1 and 2 groove pulleys on alternators and power steering pumps. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pulls pressed on 1 and 2 groove pulleys on alternators and power steering pumps.

Brand:
Performance Tool - Corporate Logo
ES#:
4371952
Mfg#:
W80653
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Pulley

ES#24321 - 11511271424 - Fan Pulley - Drives the main mechanical cooling fan - Genuine BMW - BMW

Drives the main mechanical cooling fan

Brand:
Genuine BMW - Corporate Logo
ES#:
24321
Mfg#:
11511271424
Ships in 9 Business Days
$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#20449 - 11231288660 - Sealing Washer - Priced Each - used in the belt drive - Genuine BMW - BMW

used in the belt drive

Brand:
Genuine BMW - Corporate Logo
ES#:
20449
Mfg#:
11231288660
Ships in 3 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley

ES#3676938 - V200209 - Deflection Pulley - Helps guide and keep tension on the belt. - Vaico - BMW

Helps guide and keep tension on the belt. We Price Match - Give Us A Call or Chat! For Vehicles With A Clockwise Power Steering Pump Only

Brand:
Vaico - Corporate Logo
ES#:
3676938
Mfg#:
V200209
Ships in 1 Business Day
$46.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pin - Priced Each

ES#20441 - 11231263911 - Pin - Priced Each - Acts as a dowel for the crank pulley - Genuine BMW - BMW

Acts as a dowel for the crank pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
20441
Mfg#:
11231263911
Ships in 3 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Service Kit

ES#3651496 - 11231717016kt1 - Accessory Belt Service Kit - Utilizes high quality aftermarket components - Assembled By ECS - BMW

Utilizes high quality aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3651496
Mfg#:
11231717016KT1
Back Ordered
$134.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Pulley Parts

Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.

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

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