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 the best reception, if needed.
Switching the RDS on/off
1. "Radio"
2. "FM"
3. Open "Options".
4. "RDS"

RDS
The setting is stored for the remote control currently in use.
See also:
Operational readiness of airbag system
Operational readiness of airbag system
In the radio ready state and beyond the warning lamp comes on
briefly to
indicate that the entire airbag system and the
belt tensioners are operational. ...
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle, ...
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 ...
