Blower Final Stage Fan Resistor May Fail on BMW 325i

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: 114,619 (17,000–250,000)
7 model years affected: 1992, 1993, 2001, 2002, more2003, 2004, 2006
93 people reported this problem
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Viewing 1 - 20 of 49 problem details
2003 BMW 325i 130,000 mi,
Air conditioner/heater hisses as if it's coming on, but blows no air now in either mode. Is this an easy, inexpensive fix?
2002 BMW 325i 67,345 mi,
Blower motor keeps running after you turn car off and running. Battery. Down
2001 BMW 325i 80,000 mi,
Fan was intermittent. Dealer told me my blower resistor (final stage unit) has gone bad and the repair would cost $350. Didn't have the dealer perform that repair. Bough part online for $65 and found DIY online. Took 45 mins.
AC/Heater blower will not work
2001 BMW 325i 172,300 mi,
Blower fan resistor failed. When I switch on my AC the speed does not increase or decrease. A local technician got a new blower resistor and replaced it for
1993 BMW 325i 189,000 mi,
The heater blower does not work and blows cold air continually. I replaced the resistor back about a year ago. Do you have any suggestions for this.
2006 BMW 325i 106,000 mi,
fan not blowing
2006 BMW 325i 151,414 mi,
Blower will not come on at all.
The blower speed varies up and down while driving with the AC on. Sometimes the blower will fail to operate at all. I have not had it repaired yet.
2006 BMW 325i 145,000 mi,
fan stopped blowing air. One day it worked fine; the next it was dead. It won't work at any speed. Display lights up normally; it sounds like AC compressor runs if I turn on AC. Fuses aren't blown.
2001 BMW 325i 120,000 mi,
Blowwer final stage resistor failed. Fairly easy to replace not an expensive part. Problem was I could not control fan speed.
2001 BMW 325i 175,000 mi,
fan stays on unless battery is disconnected. if battery is reconnected, fan turns back on.
2001 BMW 325i 150,000 mi,
The fan is only blowing at the lowest speed
2001 BMW 325i 122,532 mi,
heater will work but my car warms up and i turn off the engine then turn it back on it doesn;t work at all
2003 BMW 325i 35,000 mi,
variable blowing, sometimes not at all, then finally just stopped working altogether. $500 for part and labor at a BMW dealer
2002 BMW 325i 133,982 mi,
blower has stopped working. Lights on dash are working. No AC either
2006 BMW 325i 133,500 mi,
I was driving my bmw 330 i 06 then show me at the dash the warning of oil then the car turn of Complete can you help me
1992 BMW 325i 190,321 mi,
Fan stayed on when car was off.. replaced the part and it works fine.. took around 30 mins to repair
2001 BMW 325i 100,200 mi,
Replacing the Heater resistor turned on the fan and would not shutdown, even if the ignition is off.