See also:

Lateral ventilation
Thumbwheel for opening and closing the vents continuously, arrow 1. Lever for changing the air flow direction, arrow 2. ...

1982: the second generation - four-door, Convertible, Touring and BMW M3, plus the first diesel engine for the sports sedan
The new BMW 3-Series oozed progress and variety out of every pore, as its fresh new design, optimised aerodynamics, improved space and comfort, higher output and additional body and engine variant ...

Ventilation
Front ventilation ► Lever for changing the air flow direction, arrow 1. ► Thumbwheels for opening and closing the vents continuously, arrows 2. ► Thumbwheel to vary the tempera ...