Radio ready state

Activate radio ready state:

▷ When the ignition is switched off: press ON/ OFF button on the radio.

▷ When the engine is running: press START/ STOP button.

Some electronic systems/power consumers remain ready for operation.

Radio ready state switches off automatically:

▷ After approx. 8 minutes.

▷ When the vehicle is locked using the central locking system.

▷ Shortly before the battery is discharged completely, so that the engine can still be started.

    See also:

    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 ...

    Airbags
    The following airbags are located under the marked covers: 1.  Front airbags 2.  Coupe: head airbags 3.  Side airbags in the seat backrests 4.  Convertible: knee airbags Pro ...

    Tachometer
    Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine. ...