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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    12-volt sockets
    12-volt socket in the front tunnel console The electrical sockets can be used for 12-volt accessories such as cell phone chargers and coolers. For the socket to supply current, the ignition must ...

    Active head restraint
    In the event of a rear-end collision with a certain severity, the active head restraint automatically reduces the distance from the head. Reduced protective function ▷ Do not use seat or ...

    Requirements
    ▷ The mobile phone is suitable. ▷ The mobile phone is ready for operation. ▷ Bluetooth is activated in the vehicle and on the mobile phone. ▷ Bluetooth presettings may nee ...