Question about 2001 BMW 325
My 2000 e46 bmw heater blower not working, i've checked the fuse it's not that.when i press it on i can here movement within the dash board just no air blowing through. what could it be can someone please help
Hello picotto2006....Your beemer blower motor has a resistor that controls and regulates the voltage and speed. This has been known to to fail due to intensive heat. A lot of beemer owners have replaced the orginal factory resistor with an aftermarket upgrade.
It is a rectangular plastic or fiberboard unit and should be bolted to the base of the heater box. This resistor has most likely failed.
Replacement cost is about 75 dollars for the E46. Attached is a picture of the resistor.
Good luck and i hope this will fixya up and get the beemer heater back in operating condition.
Posted on May 20, 2009
Go wnder the dashboard and see that the fan is fitted to dash boared or if can not hear any sound see that earthing is properly working in ur car that is black wire / green. may be yur heaters fan could be loose or fallen please see it
Posted on May 20, 2009
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Posted on Jan 02, 2017
SOURCE: heater blower not working
I don't know if this is a long-term solution but I found it on another "how-to" website: on my 2001 E46 I removed the fuse (#50) for one minute. Something about the transistors inside the FSU (final stage unit, or blower resistor) resetting themselves with the constant power removed. I replaced it and drove home, which is a 1-hr drive, and the fan was on steady the whole time. Which it hasn't done in the 3 yrs I've owned it. I tested it at other speeds and it worked well. Don't know how long it will last though. If not, you need to replace the Blower Resistor - there about $75.
www.bimmerwerkz.com is an excellent source of info! They have pics, utube video, and diagrams to help you.
Posted on May 29, 2009
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