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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    Checking the wiper blades
    Checking the wiper blades Run the tip of your fingers over the edgeof the blade to check for roughness. Clean the wiper blade lips with waterapplied with a soft sponge. ...

    Key reminder chime
    A chime sounds if the driver’s door is opened while the ignition switch is placed in the ACC or OFF position or placed in the OFF or LOCK position with the Intelligent Key left in the Intelligent ...

    Cupholders
    There are two cupholders located in the center consolefor the front passengers. Front Cupholders There are built-in bottle holders located in both rear doortrim panels. Rear Bottle Holder WARN ...