BMW Drive Belts & V-Belts for BMW 6 Series F12 (2012+)

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Your BMW's drive belts are wear items, and will degrade and crack over time. Don't wait until you have a belt failure... don't get stranded! Replacing your BMW's belts, such as the alternator belt, power steering belt, air conditioning AC belt, or serpentine belt is a low cost insurance policy to preventing a break down -- or worse, engine damage. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.

While also inspecting your serpentine belts, also check for wear or resistance in the pulleys. The tensioner pulley and deflection pulley are the primary sources for belt squealing. The rubber-isolated pulleys can also break apart, leading to total belt failure. We sell the tensioner and deflection pulleys for the M50 engine family used in the E34, E36, E39, E46, X5, Z3, and Z4.

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Deflection Pulley
Deflection Pulley
For vehicles with a production date up to 03/2016
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Ina - Corporate Logo
T#:593550
Part#: 11288604267
Special Order: No Guaranteed ETA
$ 49.48 USD
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$ 49.48 USD
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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 USD
Free Shipping on orders $49 and up
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$ 206.99 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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Accessory Belt Tensioner Assembly
Accessory Belt Tensioner Assembly
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Febi - Corporate Logo
T#:578360
Part#: 11288604266
Special Order: No Guaranteed ETA
$ 70.00 USD
Free Shipping
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$ 70.00 USD
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Keep your N55 or S55-powered ultimate driving machine running at peak performance with this premium replacement automatic belt tensioner from Febi Bilstein.
BMW idler pulley
BMW idler pulley
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Febi - Corporate Logo
T#:38385319
Part#: 11287589886
Special Order: No Guaranteed ETA
$ 63.99 USD
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$ 63.99 USD
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If your accessory belt idler pulley shows signs of excessive wear—such as wobbling, grinding, or squealing from a failing bearing—it should be replaced before it leads to belt failure. When replacing your idler pulley, it's a good time to inspect other belt drive components like the tensioner and belt for wear. Turner Motorsports offers a full selection of belts, tensioners, pulleys, and related hardware to keep your BMW’s belt drive system running smoothly.
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