More About Points »
Vero Beach, FL
Try YouTube. I know they have a video for the front passenger side.
There's a button that'll do it for you. Right hand column, about the middle.
Afraid it's an expensive and common problem. When I first suffered the problem, I was under Warranty and BMW tried to dodge the issue. The second time they fixed it properly. Probably should have been a "Recall" item.
In the Trunk of the car. Sorry: now I see the question was answered previously.
Ford calls them "Heater Cores", lord knows what BMW calls them, but they are expensive and difficult to replace. They are the essence of your A/C. Not a do it yourself job. The "smoke" was greasy, right?