See also:

RDS
RDS broadcasts additional information, such as the station name, in the FM wave band. When playing a station with multiple frequencies, the system automatically switches to the frequency with ...

Switching on automatically
Select transmission position R with the engine running. ...

Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph time of 5.5 seconds for both the coupe an ...