BMW 5 Series: Remove attached parts 
following use - Saving fuel - Driving tips - BMW 5 Series Owners ManualsBMW 5 Series: 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.

    Remove unnecessary cargo
    Additional weight increases fuel consumption. ...

    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:

    System operation
    Ventilation 1. Set the mode to the position. 2. Set the air intake control to the outside (fresh) air position. 3. Set the temperature control to the desired position. 4. Set the fan speed contro ...

    Seat Adjustment
    Seat Position WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you p ...

    Engine hood
    To open the hood: 1. If the wiper blades are lifted off the windshield, return them to their original positions. 2. Pull the hood release knob under the instrument panel. 3. Release the secon ...