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BMW Z4 2.5i M54 2.5L

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BMW Z4 2.5i M54 2.5L Engine Drive Belt Parts

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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
$42.99 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
09-11-2026

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

Mechanical A/C Belt Tensioner Assembly

ES#2972821 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - URO - BMW

Complete tensioner assembly with roller 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2972821
Mfg#:
11287512758
In Stock
$43.99 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
09-11-2026

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

Mechanical A/C Belt Tensioner Assembly

ES#4830572 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Bremmen Parts - BMW

Complete tensioner assembly with roller 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830572
Mfg#:
11287512758
In Stock
$52.99 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 - Air Conditioning Compressor

ES#10333 - 11287512762 - Accessory Belt - Air Conditioning Compressor - A/C belt for your BMW - Continental - BMW

A/C belt for your BMW We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
10333
Mfg#:
11287512762
In Stock
$9.17 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

ASA-BOLT - Priced Each

ES#2641280 - 07129905738 - ASA-BOLT - Priced Each - M10X35 - Genuine BMW - BMW

M10X35

Brand:
Genuine BMW - Corporate Logo
ES#:
2641280
Mfg#:
07129905738
Ships in 1-2 days
16% off MSRP

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

$9.69

This product was last offered at the strikethrough price on
09-11-2026

$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#2534805 - 11281748130 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - URO - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534805
Mfg#:
11281748130
Ships in 1 Business Day
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Service Kit

ES#4818717 - 11287636372KT - Accessory Belt Service Kit - Includes belts, tensioners, pulleys, and hardware. - Assembled By ECS - BMW

Includes belts, tensioners, pulleys, and hardware. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818717
Mfg#:
11287636372KT
Back Ordered
$270.99

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

$268.99 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

Mechanical A/C Belt Tensioner Assembly

ES#21722 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Genuine BMW - BMW

Complete tensioner assembly with roller

Brand:
Genuine BMW - Corporate Logo
ES#:
21722
Mfg#:
11287512758
Ships in 1-2 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.

$229.99

This product was last offered at the strikethrough price on
09-11-2026

$221.99 USD
Free Shipping
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

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.

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

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