Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW Z3 2.3 M52 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW Z3 2.3 M52 2.5L
Your Vehicle BMW Z3 2.3 M52 2.5L
Change Clear

BMW Z3 2.3 M52 2.5L Engine Drive Belt Parts

Sort By
Filter By
Return to Top

Accessory Belt Kit

ES#2586765 - 11281437929KT2 - Accessory Belt Kit - Utilizes all genuine BMW components - Genuine BMW - BMW

Utilizes all genuine BMW components

Brand:
Genuine BMW - Corporate Logo
ES#:
2586765
Mfg#:
11281437929KT2
Back Ordered
$763.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4714476 - 11281437929KT - Performance Accessory Belt Kit - Kevlar Reinforced - Keep your drive belt tight with new belts, tensioners, and hardware - Assembled By ECS - BMW

Keep your drive belt tight with new belts, tensioners, and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4714476
Mfg#:
11281437929KT
Back Ordered
ON SALE!
$264.99

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

$244.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#3673292 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Bremmen Parts - BMW

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673292
Mfg#:
11281427252
In Stock
ON SALE! SAVE 15%
$42.99

This product was last offered at the strikethrough price on
09-16-2026

$36.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Conversion Kit

ES#4164847 - 11287838797K - Belt Tensioner Conversion Kit - Update from a mechanical tensioner to a hydraulic style tensioner - URO - BMW

Update from a mechanical tensioner to a hydraulic style tensioner 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4164847
Mfg#:
11287838797K
Back Ordered
$82.99 USD
Free Shipping
on orders $49 and up

Hydraulic Alternator Belt Tensioner Assembly

ES#21813 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Genuine BMW - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
21813
Mfg#:
11287838797
Ships in 1 day
6% off MSRP

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

$304.99

This product was last offered at the strikethrough price on
09-16-2026

$286.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#21691 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Genuine BMW - BMW

Replacement is recommend with every belt service

Brand:
Genuine BMW - Corporate Logo
ES#:
21691
Mfg#:
11281748131
In Stock
4% off MSRP

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

$82.54

This product was last offered at the strikethrough price on
09-16-2026

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Accessory Belt - Alternator/Water Pump/Power Steering Belt

ES#2678566 - 11287636379 - Accessory Belt - Alternator/Water Pump/Power Steering Belt - Drives critical components - Genuine BMW - BMW

Drives critical components

Brand:
Genuine BMW - Corporate Logo
ES#:
2678566
Mfg#:
11287636379
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
09-16-2026

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

Accessory Belt Kit

ES#3647892 - 11281706545KT - 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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647892
Mfg#:
11281706545KT
Back Ordered
ON SALE!
$367.53

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

$361.61 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 Into Our F80 M3 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

A/C Tensioner Pulley

ES#260227 - 11282245087 - A/C Tensioner Pulley - Used to tighten the A/C drive belt - Ina - BMW

Used to tighten the A/C drive belt We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
260227
Mfg#:
11282245087
Ships in 1 day
$44.99 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

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
In Stock
$14.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt With Washer - M8x35mm

ES#14743 - 07119905533 - Hex Bolt With Washer - M8x35mm - Secures mechanical A/C and alternator belt tensioner to bracket - Genuine BMW - BMW MINI

Secures mechanical A/C and alternator belt tensioner to bracket

Brand:
Genuine BMW - Corporate Logo
ES#:
14743
Mfg#:
07119905533
In Stock
$2.99 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 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

Hydraulic Alternator Belt Tensioner Assembly

ES#5480937 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Bremmen Parts - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480937
Mfg#:
11287838797
Ships on Oct 5, 2026
$59.99 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.

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings