BMW 5 Series: Close the windows and glass 
sunroof - Saving fuel - Driving tips - BMW 5 Series Owners ManualsBMW 5 Series: Close the windows and glass sunroof

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

    Remove attached parts following use
    Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

    Check the tire inflation pressure regularly
    Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...

    See also:

    How the Side Airbag Off Indicator Works
    This indicator alerts you that the passenger’s side airbag has been automatically shut off. It does not mean there is a problem with your side airbags. When you turn the ignition switch t ...

    Headlamp Aiming
    Headlamp aim has been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a crash, the headlamp aim may be affected. Aim adjustment to the low-beam head ...

    Selecting and scanning files
    ■ Selecting a file Turn or press or to select the desired file. ■ Scanning the files in a folder Press . The first 10 seconds of each file will be played. When the desired f ...