raymond.harper
Senior member
When putting coolant in I think you have to either raise her or park uphill with heater on and bleed valve on expansion tank opened
http://www.pelicanparts.com/techarticles/BMW_Z4M/15-WATER-Draining_and_Filling_Cooling_System/15-WATER-Draining_and_Filling_Cooling_System.htm for the 3.0 not sure if the 2.5 is the same
http://www.pelicanparts.com/techarticles/BMW_Z4M/15-WATER-Draining_and_Filling_Cooling_System/15-WATER-Draining_and_Filling_Cooling_System.htm for the 3.0 not sure if the 2.5 is the same