Blower Final Stage Fan Resistor May Fail on BMW 330i

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: 120,872 (38,000–210,000)
4 model years affected: 2001, 2002, 2003, 2006 more
15 people reported this problem
6 people shared problem details
2001 BMW 330i126,600
the blower will not turn on at all
2 people like thisFlag inappropiate
2001 BMW 330i38,000
fan does not work on ac
2003 BMW 330i210,000
Blower motor not consistent
My heater/Air conditioner blower has always blown intermittently, and at varying speeds. 3 days ago the blower stoped working altogether. I can still feel heat from the vents, but is not blowing out and causes quite a problem in the morning when the windows are foggy, will not defrost.
2001 BMW 330i134,000
Blower Final Stage failed around 70k
2002 BMW 330i95,000
Stop and go on the blower for a few days before failing completely.
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