BMW 330xi Problem Report
BMW 330xi Blower Final Stage Fan Resistor May Fail
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.
THIS was CRAZY !! I was new to the car and the battery drained the first time -- then I sat in the car and realized the fan never shut off. Also it would BLOW hot air -- in the summer up and down with no real adjustment. It was me who told the car repair guy to change the FSU .. he wanted to just charge up my AC unit. Don't waste the money on silly fixes --get it right the first time with the FSU. - baltbuz
heat not working; air does. need help figuring out the problem. - laurisa223
IT WOULD TURN OF WHEN IT WANTED THEN NOTHING THEN ON NOW NOTHING - Visitor
Every time I turn off my car there is a faint sound of a fan running inside the car. I would assume it is the blower fan for the heating and cooling inside the cab. I haven't fixed it yet but replacing the final stage fan resistor seems to be the common fix. I'll try that first. - Visitor
Final Stage Fan Resistor replaced - Visitor
How difficult to replace cooling fan assembly,and what is the cost?
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