The concept

The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on.

The engine starts again automatically for driving off.

    See also:

    Important features in the engine compartment
    Important features in the engine compartment 1. Vehicle identification number 2. Jump-starting, negative terminal 3. Washer fluid reservoir 4. Jump-starting, positive terminal 5. Oil filler nec ...

    Switching on automatically
    Select transmission position R with the engine running. The images from Top View and PDC are displayed when the system has been switched on using iDrive. ...

    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 ...