The concept

switches the ignition on or off and Pressing the Start/Stop button switches the ignition on or off and starts the engine.

Automatic transmission: the engine starts if the brake is depressed when the Start/Stop button is pressed.

Manual transmission: the engine starts if the clutch is depressed when the Start/Stop button is pressed.

    See also:

    Brake system
    Brakes require an initial break-in period of approx. 300 miles/500 km to achieve optimized contact and wear patterns between brake pads and discs. Drive moderately during this break-in period. ...

    Safety
    The xDrive50i has upgraded brakes with aluminum calipers. BMW's Integrated Chassis Management coordinates the Dynamic Performance Control differential with stability and traction control systems t ...

    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. ...