Connects the cylinder head to the expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later models that feature the B48N/B48P engine
Brand:
ES#:
4181361
Mfg#:
17128654824
In Stock
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$57.99
This product was last offered at the strikethrough price on 06-14-2026
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.
Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Replacement plastic coolant reservoir for the low temp circuit that cools your intercooler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4181510
Mfg#:
17138610653
Ships in 4 Business 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 06-14-2026
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
