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BMW 328i Engine Drive Belt Parts

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Accessory Belt Tensioner Assembly

ES#2530423 - 11287594969 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, and alternator - Genuine BMW - BMW

This is the main belt tensioner for A/C, and alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
2530423
Mfg#:
11287594969
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.

$179.99

This product was last offered at the strikethrough price on
10-24-2026

$168.99 USD
Free Shipping
on orders $49 and up
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
Ships on Nov 16, 2026
ON SALE! SAVE 23%
$264.99

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

$204.94 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 1-2 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.

$304.99

This product was last offered at the strikethrough price on
10-24-2026

$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
10-24-2026

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

Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System

ES#3521792 - uppke46tuvaleoKT - Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System - Includes Accessory Belt System! - Assembled By ECS - BMW

Includes Accessory Belt System! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Valeo alternator only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3521792
Mfg#:
UPPKE46TUVALEOKT
In Stock
ON SALE! SAVE 15%
$633.19

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

$538.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torx Screw - Priced Each

ES#3476910 - 11287530315 - Torx Screw - Priced Each - Secures the belt tensioner - Rein - BMW

Secures the belt tensioner 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3476910
Mfg#:
11287530315
In Stock
$7.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2706891 - 11288624196 - Belt Tensioner Assembly - Complete tensioner assembly - Genuine BMW - BMW

Complete tensioner assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
2706891
Mfg#:
11288624196
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.

$179.99

This product was last offered at the strikethrough price on
10-24-2026

$168.99 USD
Free Shipping
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 1-2 days
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
10-24-2026

$63.99 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 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

Accessory Belt Tensioner Assembly

ES#4343010 - 11287594969 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C and alternator - Febi - BMW

This is the main belt tensioner for A/C and alternator We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343010
Mfg#:
11287594969
Ships in 2 Business Days
$96.99

This product was last offered at the strikethrough price on
08-13-2026

$80.99 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
10-24-2026

$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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534799
Mfg#:
11281748131
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Service Kit

ES#2681008 - 11287530314KT1 - Accessory Drive Belt Service Kit - Utilizes OEM components - Genuine BMW - BMW

Utilizes OEM components

Brand:
Genuine BMW - Corporate Logo
ES#:
2681008
Mfg#:
11287530314KT1
Ships in 1-2 days
$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Tensioner

ES#2866937 - 11281717210 - A/C Belt Tensioner - Provides tension between crank pulley and A/C compressor - Febi - BMW
ECS Tuning recommends this product.

Provides tension between crank pulley and A/C compressor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866937
Mfg#:
11281717210
Ships on Jan 25, 2027
$75.99 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.

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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