Close the windows and glasssunroof

Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.

    See also:

    Weights
    The values preceding the slash apply to vehicles with manual transmission; the values following the slash apply to vehicles with automatic transmission. ...

    Traffic bulletins
    Overview> You can display the traffic bulletins from radio stations that broadcast the TMC (Traffic Message Channel) of a traffic information service. Bulletins about traffic obstructions and h ...

    Destination entry via voice
    General informationFor instructions on the voice activation system. > During the destination entry by voice, you can switch between voice entry and entry via iDrive at any time. To do so, reacti ...