car over heats changed water pump and thermstat still overheats on 1990 BMW 325i

bubbles out of radiator and i see small air like bubbles

by in Las Vegas, NV on December 22, 2011
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1 answer
ANSWER by , December 22, 2011
Why did you change the water pump and thermostat? I'm guessing because it overheated, right. Have the cooling system check for HYDROCARBONS. Suspect you have a blown head gasket.