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Old 12-20-2011, 03:27 AM   #5
RKiepper
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Join Date: Feb 2011
Location: Linn, Missouri
Posts: 1,579
My Ride: 1999 E46 328I x2
There is a control valve that directs coolant from the engine to the heater core. That may be disconnected, blown fuse(?) or possibly broken. It's right under the intake, attached to the strut tower with three slide in rubber grommet things. Obviously your engine is producing heat, but this valve let's that heat go to the heater core so you don't freeze. Worth a look.
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