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:

    Heating
    To direct warm air toward the floor: 1. Set the air inlet selection button to the OFF position. 2. Press the “” button. 3. Set the temperature control dial to the most comfortable level. 4. Se ...

    Removal and Installation of the Sealant Canister
    To remove the sealant canister: 1. Unwrap the sealant hose. 2. Press the canister release button. 3. Pull up and remove the canister. 4. Replace with a new canister which is available from you ...

    Uniform tire quality grading
    DOT (Department of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades. Quality grades can be found where applicable on t ...