Sound output

Switching on/off

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

Muting

When the ignition is switched on or the engine is running: press the ON/OFF button on the radio.

    See also:

    Functional requirements
    ▷ There are no external sources of interference nearby. ▷ To lock the vehicle, the remote control must be located outside of the vehicle. ▷ The next unlocking and locking cycle ...

    CD/Multimedia
    CD/DVD drive Music collection External devices Tone Telephone Office Contacts BMW Assist or ConnectedDrive ...

    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 ...