Question about 2001 BMW 3 Series
Hi daytona67, I would suspect the heater valve. If I remember correctly, the valve is located on the driver's side below the airbox. Once you find the valve, you can use a pair of hose pliers to clamp off the hoses and see if the heat stops. The valve is most likely internally broken. Since the auto-climate system sends a cut-off signal to water valve, I would suspect a failed valve before a faulty control unit.
Posted on Apr 20, 2009
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Posted on Jan 02, 2017
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