I have a 330i and the AC just stop blowing any air with out warning. All the gages work but doesn't blow any air. Somethimes I can feel a little air coming out but not much. What could it be? Any suggestions would be helpful. :banghead:

Check the fuse box under the hood, on my '90 E30 I had blown the 30 amp heater/cooling fuse.

Search on Final Stage Resistor. This is the problem and you will find lots of posts including how to replace the part. Good luck!

Final Stage resistor blower is often referred to as a Sword.

could the ac belt just be a little loose sum how?

could the ac belt just be a little loose sum how? Ha never mind because air would still come in just not cold air. sry bout that

Belt could be loose, but go to roadfly.com, then E46 forum, and search final stage resistor.

Thanks for all the replies. All very helpful we are going to try to replace the Blower motor resister this weekend.