If it will fit in the expansion tank w/o overflowing, just pour it in. If no room, crack the vent screw on the thermostat housing and let enought coolant dribble out to make room. I seem to remember that this stuff has to be added with the cooling system in a cold state, but I'm not sure. Better check the instructions on that..


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Jeff L
1987 300e
1989 300e
1987 BMW 325