The bleeding procedure is pretty simple - on top of the coolant tank is a plastic screw that you just turn while the engine is running and you will see the bubbles come out and then a steady stream will come out and then you just close the screw, You might have to do it a few times to get all of the air out.

BMW cooling systems are just fundamentally different that most others - they are a completely closed system that operates under much higher pressures than most.

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Current:

E92 M3 - Alpine White / Fox Red

Retired:
2007 650i Barbera Red
2007 750i Jet Black
2006 M5 Carbon Black
2002 X5 4.4i Steel Gray / Black
2002 M3 SMG Carbon Black
1997 BMW 540i Aspen Silver
2000 BMW 528i Jet Black
1997 Range Rover HSE
1994 Porsche 968