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:

    Resetting values
    The average fuel consumption and average speed can be reset. Press and hold the computer button on the turn signal lever. ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...

    BMW X3 iDrive Owners Manual
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