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Belt Tensioners

Belt tensioner failure is common in several BMWs. If your belt is still in good shape and the only critical component that you need to replace is your drive belt tensioner, we have quality OE aftermarket and Genuine BMW options available for your BMW.
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Hydraulic Alternator Belt Tensioner Conversion Kit
Hydraulic Alternator Belt Tensioner Conversion Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15710833
Part#: 11287838797-KT
Back Ordered
Sale - Save 1% $ 165.99

This product was last offered at the strikethrough price on
05-03-2026

$ 163.64 USD
Free Shipping on orders $49 and up
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Sale - Save 1%
$ 165.99

This product was last offered at the strikethrough price on
05-03-2026

$ 163.64 USD
Free Shipping on orders $49 and up
Add to Wish List
The original mechanical design is has been discontinued by BMW. So now Turner offers this complete hydraulic tensioner conversion kit for your BMW alternator/water pump/power steering belt. Changes the old style mechanical design to the updated hydraulic design recommended by BMW. Includes the following parts Hydraulic Tensioner Adjusting Pulley Caps & Dust Guards Securing Hardware
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OEM Belt and Tensioner Service Kit for Power Pulley Kit - E9X M3
OEM Belt and Tensioner Service Kit for Power Pulley Kit - E9X M3 ...
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:391555
Part#: S65LPPK-BELTKT
Ships in 1 day
$ 928.99 USD
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$ 928.99 USD
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We’ve put together the Ultimate Belt & Tensioner Renewal Kit, curated specifically for M3 owners running our Turner E9X M3 Pulley Upgrade. Designed to restore factory fresh mechanical precision while maintaining high performance reliability
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Accessory Belt Service Kit - N63 S63
Accessory Belt Service Kit - N63 S63
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:30430707
Part#: 112876318241KT2
Ships on Dec 22, 2026
$ 206.99

This product was last offered at the strikethrough price on
10-05-2026

$ 201.99 USD
Free Shipping on orders $49 and up
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$ 201.99 USD
Free Shipping on orders $49 and up
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Don't let an accessory belt failure leave you stranded! Over time, the tensioner and belt wear out, risking your alternator's ability to charge and your vehicle's overall reliability. Turner Motorsport has assembled a comprehensive belt drive service kit to keep everything in check and ensure smooth operation.

Key Benefits:

Complete Service Kit: Includes all necessary components to maintain your belt drive system. Enhanced Reliability: Prevents unexpected belt failures and keeps your vehicle running smoothly. Optimized Performance: Ensures your alternator and A/C system function efficiently. Kit Contents:

Accessory Belt Belt Tensioner Assembly A/C Belt Maintain your BMW's performance and reliability with the Turner Motorsport drive belt service kit!

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Vaico Mechanical Accessory Belt Tensioner - BMW B46/48 B58
Vaico Mechanical Accessory Belt Tensioner - BMW B46/48 B58
Vaico - Corporate Logo
T#:50346424
Part#: 11288580360
Special Order: No Guaranteed ETA
$ 68.99 USD
Free Shipping on orders $49 and up
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$ 68.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.
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