Ignition on

Press the Start/Stop button, and do not press on the brake pedal at the same time.

All vehicle systems are ready for operation.

Most of the indicator and warning lamps in the instrument cluster light up for varying lengths of time.

To save battery power when the engine is off, switch off the ignition and any unnecessary electronic systems/power consumers.

The ignition switches off automatically:

  • When the vehicle is locked, if the low beams are switched on.
  • Shortly before the battery is discharged completely, so that the engine can still be started.
  • If the engine is switched off and the ignition is switched on, the system automatically switches to the radio ready state when the door is opened if the lights are switched off or the daytime running lights are switched on.
    See also:

    Brake assistant
    When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...

    HDC Hill Descent Control
    The concept HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without applying the brakes, the vehicle moves at slightly more than walking ...

    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 ...