Whether you’re under the hood for a weekend project or keeping a high-performance engine in peak shape, the last thing you want to worry about is a brittle cooling system. That’s where the Rein Automotive Expansion Tank
2X Entries Into Our F80 M3 Sweepstakes
Connects the heat management module to the expansion tank's lower port
2X Entries Into Our F80 M3 Sweepstakes For Pre-LCI models with the earlier Gen1 B46 engine only
Brand:
ES#:
5341131
Mfg#:
17127535536
Back Ordered
$76.00
This product was last offered at the strikethrough price on 05-13-2026
Prevent costly cooling system failures and keep your engine operating at optimal temperatures with the Rein Water Pump Service Kit.
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This hose attaches from the engine block to the water pump
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with production date up to 09/2003
Brand:
ES#:
2622958
Mfg#:
17127508010
Back Ordered
$134.99
This product was last offered at the strikethrough price on 10-22-2026
Upgrade your BMW’s cooling system with the Radiator Expansion Tank Vent Line Hose by Rein, ensuring optimal engine performance and protection against overheating.
2X Entries Into Our F80 M3 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
