E30 Blower Motor Advice Needed

Nuvolari · #1 (**permalink**) 07-07-2003, 04:46 PM

The interior blower fan on my 90 E30 suddenly only works on position 4. Speeds 1-3 are dead. Any ideas what this could be? Is is related to the switch or is there a relay somewhere I should be looking at. Any constructive advice would be appreciated.

L8APX · #2 (**permalink**) 07-08-2003, 08:07 AM

The blower motor fan speed resistor is inside the blower motor assembly which is behind a trim panel on the firewall. Here are some directions for access. http://greg.scott.com/bmw/blower.asp

See line 6 about the resistor, that is your problem. Mine blew a year ago. Takes about an hour in and out.

Good luck and clean out the leaves and junk from the drains while your in there.

Nuvolari · #3 (**permalink**) 07-09-2003, 07:30 AM

Thank you for the tip. It was that part and once replaced I am back to a 4 speed fan.