See also:

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 ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

RDS
RDS broadcasts additional information, such as the station name, in the FM wave band. Switching the RDS on/off 1. "Radio". 2. "FM". 3. "Options" Open. 4. "RDS ...