Think of these hoses as the heavy-duty upgrade your engine deserves. They aren't just "replacements"—they are built to survive the brutal environment under your hood.
2X Entries Into Our F80 M3 Sweepstakes
Seals the connection between the heat management module and the engine block
For vehicles with the later B58C or B58D engine - Will not fit the earlier B58A engine
Brand:
ES#:
4179841
Mfg#:
11539494424
Ships in 1-2 days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$14.99
This product was last offered at the strikethrough price on 10-19-2026
Manufactured by Rein Automotive, this direct-replacement return line restores factory cooling flow to your turbocharger system.
2X Entries Into Our F80 M3 Sweepstakes
Seals the connection between the heat management module and the engine block
For vehicles with the later B58C or B58D engine - Will not fit the earlier B58A engine
Brand:
ES#:
4179842
Mfg#:
11539494425
Ships in 1-2 days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$14.99
This product was last offered at the strikethrough price on 10-19-2026
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.
