E46Fanatics - View Single Post - 04 325i overheating
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Old 12-31-2012, 08:32 AM   #2
Registered User
Join Date: Dec 2012
Location: Burleson, tx
Posts: 7
My Ride: 04 352i
After doing some searching, what is puzzling me is how the car overheated while blowing cold air the within 2 or 3 seconds dropped to normal temperature after turning off the heater followed by the sound of coolant flowing through the heater core.

I dont know if turning off the heater and the circulation of coolant was a coincidence since it happened in the 2 or 3 seconds after turning off the heater.

Im not sure if this is a heater core or thermostat issue. I have not replaced any parts or bled the system as of yet, just trying to get a game plan of how to attack the problem other than replace everything......any suggestions?
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