Stops oil loss due to missing or damaged filler cap
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Helps prevents oil from recirculating back into the intake system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with the Gen2 B48 (B48D / B48TU) engine only
Keeps tension on the timing chain to ensure your engine is running properly. Includes gasket ring
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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
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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 2 Business 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 07-03-2026
Applies tension to the accessory belt to prevent slippage
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with Gen2 engines only (B46D, B48D) - Not for vehicles with later Gen3 engines (B48N, B48P)
Brand:
ES#:
4766336
Mfg#:
11288580360
In Stock at Vendor
$177.99
This product was last offered at the strikethrough price on 05-07-2026
Positioned above the oil pan, this end cover closes the balance shaft journal.
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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.
