Shop 1988 BMW M6 Pipe, expansion tank - cyli. (Upper). 2020-23, INNER RADIATOR. Cooling System Bypass Bypass, Coolant, Cooling - OEM BMW Part # 17129485191 (17-12-9-485-191)

Engine Coolant Bypass Hose

Fits 540i, 540i xDrive

2020-23, INNER RADIATOR.
Cooling System Bypass Line - Repair or Replace
If your has been either leaking coolant or overheating, you could have a faulty cooling system bypass line. Let our technicians help trace the problem and replace the faulty coolant hose with a genuine part.