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: 117,296 (38,000–210,000)
4 model years affected: 2001, 2002, 2003, 2006
20 people reported this problem
10 people shared problem details
2001 BMW 330i126,600
the blower will not turn on at all
2002 BMW 330i95,000
Stop and go on the blower for a few days before failing completely.
2006 BMW 330i92,000
Blower motor blows no air. Hot or cold.
2006 BMW 330i84,000
radiator fan making loud noise and car runs hot after a few minutes, sometimes takes longer for hot light to come on but continues to have funny/loud fan noise
2006 BMW 330i112,000
Heater fan keeps turning off and on doesn't matter on the speed. Waiting to have it fixed
2001 BMW 330i149,000
No air coming out of vents stopped blowing
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
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