Manufactured from durable, heat-resistant materials, this coolant supply line is built to withstand the demanding conditions of high-performance driving. Ideal for enthusiasts and professional mechanics, it guarantees a precise fit for various BMW models.
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! For vehicles with the Gen1 B46/B48 engine only
Connects the expansion tank line to the side of the cylinder head
10X Entries For Our 25th Anniversary Sweepstakes! For earlier models with B48 Gen1 engine - Not for vehicles with the later TU engine
Brand:
ES#:
4876639
Mfg#:
17127646896
In Stock
Limited Qty Sale
$44.99
This product was last offered at the strikethrough price on 05-02-2026
Seals the mechanical water pump to the support and engine block
2X Entries For Our 25th Anniversary Sweepstakes! For vehicles with a production date from 01/2019+
Manufactured from durable, heat-resistant materials, this coolant return line is built to withstand the demands of high-performance driving, making it an essential upgrade for BMW enthusiasts and professionals alike.
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
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.