See also:

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...

Entertainment
Operation of the radio, CD equipment and external audio devices as well as their tone settings are described in this chapter. ...

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 ...