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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    Air outlets and air flow
    Air flows to the upper body. Air flows to the upper body and feet. Air flows to the feet. The air intake is automatically switched to outside air mode. Air flows to the feet and the ...

    Fast-forwarding
    Press the “” side of the “SEEK” button continuously to fast-forward the track/file. Release the button to stop fast-forwarding. NOTE If you fast-forward to the end of the last track/file ...

    Exterior and interior lights
    Coupe 1. Mirror-mounted turn signal light (if so equipped) 2. Interior light 3. Map light 4. Headlamp assembly 5. Fog light (if so equipped) 6. Step light 7. High-mount stoplight 8. Trunk ...