Feeds coolant from the water pump to the thermostat module
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179818
Mfg#:
11538650981
In Stock
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$109.99
This product was last offered at the strikethrough price on 07-20-2026
Connects to the thermostat module and supports the electrical wiring harness
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179822
Mfg#:
11538651265
In Stock
4% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$78.99
This product was last offered at the strikethrough price on 03-04-2026
Supplies coolant to the turbo(s) of your BMW.
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! For models with the later TU (Gen2) & TU2(Gen3) engines
Brand:
ES#:
4316449
Mfg#:
0392023486
In Stock
ON SALE!
SAVE 29%
$78.99
This product was last offered at the strikethrough price on 02-07-2026
These Turbocharger Coolant Pipes are engineered for a perfect OEM fit, making installation seamless for both professional mechanics and DIY enthusiasts.
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.
Lifetime Replacement
