Everything you need to service your belt drive system using quality aftermarket components
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A more aggressive option for street use and an upgrade from stock
Recommended to Use With Vanos Limiters and Upgraded Valve Springs
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The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
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Brand:
ES#:
4876028
Mfg#:
054921LA02
In Stock
ON SALE!
SAVE 10%
$449.99
This product was last offered at the strikethrough price on 05-02-2026
Brand new, not remanufactured. No core charge!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4759694
Mfg#:
12317837981
In Stock
ON SALE!
SAVE 15%
$304.99
This product was last offered at the strikethrough price on 05-02-2026
Capable of producing 750+ WHP with supporting modifications - Includes refundable $1500 core charge
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Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
