Originally Posted by gaklager

Just replaced the Final Stage Resistor in my 2001 330 yesterday. It's quite a bit more difficult to get to this part in this version car. In my case, after removing the glove box, I had to remove the right footwell air vent. Behind the vent is a stepper motor that also needs to be removed, not too bad here just a linkage and couple screws. There are two screws on the resistor also and they're the same torx fastener as the stepper motor. Not that bad a job, 90 minutes or so. Blower motor no longer possessed!