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This product was last offered at the strikethrough price on
04-16-2026
This product was last offered at the strikethrough price on
05-08-2026
The factory plastic coolant flange on BMW's N47 and N57 engines is a well-documented failure point. Constant heat cycles, pressure fluctuations, and chemical exposure take their toll—leading to cracks, leaks, and unexpected cooling system failures.
Rein Engineering offers a smart solution: a precision-engineered coolant connector pipe crafted from high-grade aluminum. Unlike the OEM plastic component, this robust upgrade is built to withstand extreme under-hood temperatures and the corrosive nature of coolant, delivering long-term reliability and peace of mind.
