A common failure point of BMWs of all eras. If your fan only works on high, or does not work at all, the problem is more than likely this resistor. The blower motor resistor alters the current that feeds the blower motor, varying the speed of the fan depending on your selection. A few years of service is all it takes to fry the circuitry in this small, but crucial part. Restore the functionality of your BMW's climate control system with the VEMO blower motor resistor.
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