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 ...

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    Driving the vehicle
    The following procedures should be observed to ensure safe driving: ■ Starting the engine ■ Driving 1 With the brake pedal depressed, shift the shift lever to D. 2 Release the parking ...

    Trunk lid control switch
    The trunk lid control switch is used to prevent unauthorized access to the trunk. • When the trunk lid control switch is UNLOCK position ( ), the trunk can be unlocked with the trunk lid relea ...

    Fuel economy hints
    The following suggestions will help to save your fuel. ● Select the proper gear position for the speed and road conditions. ● Avoid sudden acceleration or deceleration. Always accelerate ...