Blower Final Stage Fan Resistor May Fail: BMW M3 Heating & Air Conditioning

Problem overview

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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BMW M3 vehicles with this problem

3 model years affected

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Blower Final Stage Fan Resistor May Fail on BMW M3

Problem overview

BMW M3 vehicles with this problem

Need a diagnosis? Trust our BMW experts.

Search for another problem

Ask our experts about your BMW.