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.

RepairPal Verified
Average mileage: (–)
3 model years affected: 2001, 2002, 2003
3 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews