Dress up your engine bay with new coolant expansion tank caps
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Must Swap Pressure Relief Valve From PN #17117639021 to New Unit. Other Pressure Relief Valves Will Not Apply
Dress up your engine bay with new coolant expansion tank caps
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For model years up to 2023
Also called a Heat Management Module by BMW, this electronic thermostat controls coolant flow based on engine temperatures
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Restore ignition performance with new coils and boots
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with the Gen3 B48TU2 (B48P/B48R/B48X) or B58TU2 (B58N) engine only
Brand:
ES#:
4501951
Mfg#:
12139453463
Ships in 1-2 days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$100.99
This product was last offered at the strikethrough price on 06-15-2026
Applies tension to the accessory belt to prevent slippage
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Pre-LCI models only
Brand:
ES#:
4766336
Mfg#:
11288580360
In Stock at Vendor
$177.99
This product was last offered at the strikethrough price on 05-07-2026
Replacement plastic coolant reservoir for the low temp circuit that cools your intercooler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Pre-LCI models only
Brand:
ES#:
4181510
Mfg#:
17138610653
Ships in 1-2 days
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$170.99
This product was last offered at the strikethrough price on 06-15-2026
Parts that are needed when installing a turbo
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4668833
Mfg#:
11628642774KT
Ships in 3 Business Days
$83.99
This product was last offered at the strikethrough price on 04-29-2026
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.