Close the windows and glass sunroof

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

    See also:

    Fuel gauge
    The vehicle inclination may cause the display to vary. Notes on refueling. ...

    The concept
    The DTC system is a version of the DSC in which forward momentum is optimized. The system ensures maximum forward momentum on special road conditions, e.g., unplowed snowy roads, but driving st ...

    Snow chains
    Only certain fine-link snow chains have been tested by BMW, classified as safe for use and recommended. Consult your service center for more information. BMW X5: use only in pairs on the rear w ...