Blower Final Stage Fan Resistor May Fail on BMW M3

The blower final stage fan resistor is known to fail. Symptoms are the heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all.

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Average mileage: (–)
3 model years affected: 2001, 2002, 2003
3 people reported this problem
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