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BMW Drive Belts & V-Belts

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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M7 Lightweight Crank Pulley - Stock Size
M7 Lightweight Crank Pulley - Stock Size
M7 Speed - Corporate Logo
T#:12774050
Part#: 53-3M7101-0
In Stock
$ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 140.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
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$ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 140.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
Hex Bolt - MINI
Hex Bolt - MINI
10X Entries Into Our F80 M3 Sweepstakes
Bavarian Autosport - Corporate Logo
T#:16940487
Part#: 11217616164
In Stock
Sale - Save 23% $ 12.99

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

$ 9.99 USD
Free Shipping on orders $49 and up
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Sale - Save 23%
$ 12.99

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

$ 9.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Used to attach the crank pulley / vibration dampener
Hex Bolt - N52, N54
Hex Bolt - N52, N54
10X Entries Into Our F80 M3 Sweepstakes
Bavarian Autosport - Corporate Logo
T#:19792190
Part#: 11211439395
In Stock
Sale - Save 11% $ 18.99

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

$ 16.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 11%
$ 18.99

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

$ 16.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Replacement center bolt for the engine crank pulley.

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BMW Mini
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  • Drive Belts, Pulleys, Tensioners

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