Air Distribution Knob
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 BMW Z3, 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW Z3, and 2001 BMW M Roadster. However, it is still accessible from the selected car via links, so may be relevant.
Airflow can be directed to windshield, upper body area, or to footwells. Intermediate positions are also possible. In the footwell position, a small amount of air flows to the windows to keep them from fogging up. See Fig 1 .