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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    Emergency
    With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it. Push to connect to an Emergency Advisor. GPS technology is us ...

    Trunk release
    Trunk ReleaseButton Use the Remote Keyless Entry (RKE)transmitter to open the trunk fromoutside the vehicle. From inside thevehicle the trunk lid can be released bypressing the TRUNK RELEASE bu ...

    Vehicle load limit – how to determine
    The load capacity of your vehicle is determined by weight, not by available cargo space. The load limit of your vehicle is shown on the vehicle placard attached to the driver’s side B-pillar. Lo ...