2001 BMW 540i Q&A
2001 BMW 540i Question: Blower fan
How do I remove and replace the blower fan on a 2001 BMW 540i - Visitor
I suggest you get a repair manual here: http://bit.ly/mitchell_repair_manuals_online and read up on the job and see if you have the tools and ability to perform such a job. Some of these require removal of the dash and a lot of parts and it may be quite difficult, so don't do this without detailed instructions. - Bret Bodas
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...
Everything is working but there is no air coming out at all