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BMW E36 M3 S50 3.0L

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BMW E36 M3 S50 3.0L Engine Pulley Parts

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Fillister Head Screw - M10x25mm

ES#16139 - 07129905534 - Fillister Head Screw - M10x25mm - Secures roller to hydraulic alternator belt tensioner assembly - Genuine BMW - BMW

Secures roller to hydraulic alternator belt tensioner assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
16139
Mfg#:
07129905534
In Stock
$4.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#29373 - 12311432988 - Alternator Pulley - Genuine BMW replacement alternator pulley. - Genuine BMW - BMW

Genuine BMW replacement alternator pulley.

Brand:
Genuine BMW - Corporate Logo
ES#:
29373
Mfg#:
12311432988
Ships in 4 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.

$122.99

This product was last offered at the strikethrough price on
08-20-2026

$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#3499768 - 11511730554 - Water Pump Pulley - Located behind the fan blade, fan clutch bolts to this pulley - Rein - BMW

Located behind the fan blade, fan clutch bolts to this pulley 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499768
Mfg#:
11511730554
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Belt Pulley Cap

ES#4316566 - 11281727159 - Drive Belt Pulley Cap - Replace that missing protective cap and protect your belt tensioner bearing from debris. - URO - BMW

Replace that missing protective cap and protect your belt tensioner bearing from debris. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4316566
Mfg#:
11281727159
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner

ES#21655 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Genuine BMW - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner

Brand:
Genuine BMW - Corporate Logo
ES#:
21655
Mfg#:
11281717188
Ships in 1-2 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.

$165.99

This product was last offered at the strikethrough price on
08-20-2026

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2534799 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - URO - BMW

Replacement is recommend with every belt service 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534799
Mfg#:
11281748131
In Stock
$14.83

This product was last offered at the strikethrough price on
04-06-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Protection Ring

ES#21663 - 11281730532 - Protection Ring - Seals the back side of the hydraulic alternator belt tensioner roller from debris - Genuine BMW - BMW

Seals the back side of the hydraulic alternator belt tensioner roller from debris

Brand:
Genuine BMW - Corporate Logo
ES#:
21663
Mfg#:
11281730532
In Stock
$3.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump Pulley

ES#3612262 - 32421722555 - Power Steering Pump Pulley - Driven by serpentine accessory belt - URO - BMW

Driven by serpentine accessory belt 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3612262
Mfg#:
32421722555
Ships in 1 Business Day
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2951883 - 11281703943KT - Accessory Belt Kit - Includes both belts, tensioners, and rollers - Assembled By ECS - BMW

Includes both belts, tensioners, and rollers 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2951883
Mfg#:
11281703943KT
Ships in 1 Business Day
ON SALE!
$253.99

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

$246.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Service Kit

ES#4818705 - 11281703943KT2 - Performance Accessory Belt Service Kit - Featuring ECS high-performance red Kevlar accessory belt, Continental A/C belt, tensioners, and rollers. - Assembled By ECS - BMW

Featuring ECS high-performance red Kevlar accessory belt, Continental A/C belt, tensioners, and rollers. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818705
Mfg#:
11281703943KT2
Ships on Nov 12, 2026
Auto Notify
ON SALE!
$267.99

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

$246.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2776538 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Vaico - BMW

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2776538
Mfg#:
11281748131
In Stock
$30.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Protective Cap For Belt Tensioner

ES#21660 - 11281727159 - Protective Cap For Belt Tensioner - Black plastic snap on cap - Genuine BMW - BMW

Black plastic snap on cap

Brand:
Genuine BMW - Corporate Logo
ES#:
21660
Mfg#:
11281727159
Ships Today
$14.10 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

Idler Pulley

ES#2873680 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Febi - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873680
Mfg#:
11287841228
In Stock
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Protective Cap

ES#29427 - 12311713143 - Protective Cap - Protects the upper mounting bolt of the hydraulic alternator belt tensioner assembly from debris - Genuine BMW - BMW

Protects the upper mounting bolt of the hydraulic alternator belt tensioner assembly from debris

Brand:
Genuine BMW - Corporate Logo
ES#:
29427
Mfg#:
12311713143
In Stock
$1.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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