21% flow increase over stock - includes tubes & hardware!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with manual transmission only
Brand:
ES#:
3612833
Mfg#:
46-20233-B
Ships in 1 Business Day
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2545.00
This product was last offered at the strikethrough price on 06-20-2026
New motor mounts with billet mount inserts and ECS polyurethane transmission mounts
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4148271
Mfg#:
22116787659KT1
Ships in 1 Business Day
ON SALE!
SAVE 16%
$683.99
This product was last offered at the strikethrough price on 05-01-2026
Includes both the Engine Coolant Expansion Tank and Charge Air Cooler Coolant Expansion Tank, plus both of the expansion tank caps
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Brand:
ES#:
4776041
Mfg#:
17138677649EKT
In Stock at Vendor
ON SALE!
$208.99
This product was last offered at the strikethrough price on 05-02-2026
An entry level cooling refresh kit - with high quality aftermarket components
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Brand:
ES#:
3988222
Mfg#:
17127596837KT
Ships in 3 Business Days
ON SALE!
SAVE 15%
$643.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrade to AutoTecknic’s Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover in Red Carbon and give your BMW the exclusive, high-performance look it deserves.
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Reduces turbo heat soak for cooler intake temperatures and consistent performance.
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Extra large 3.0" tubing for increased sound and performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Includes $75 in gift cards for future purchases!
Necessary hardware for your Dinan Big Turbo installation
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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.