Connects the cylinder head to the water pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179820
Mfg#:
11538650984
In Stock
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$138.99
This product was last offered at the strikethrough price on 03-04-2026
Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Built from high-quality, heat-resistant materials, the expansion tank offers long-lasting performance and is a direct replacement for your vehicle's OEM part, guaranteeing a perfect fit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Titanium coolant bleeder screw upgrade for durability, strength, style, and reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace your faulty coolant pump with a brand new pump directly from BMW to keep engine temperatures under control
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4179736
Mfg#:
11518482250
In Stock
Limited Qty Sale
$180.99
This product was last offered at the strikethrough price on 06-09-2026
Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
Lifetime Replacement
