Close the windows and glasssunroof

Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.

    See also:

    BMW 320d EfficientDynamics Edition: state-of-the-art diesel engine makes the new sports sedan the most efficient vehicle in its class
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    BMW Assist or ConnectedDrive
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    Bluetooth audio
    Overview> It is possible to use Bluetooth to play music files from external devices, e.g. audio devices or mobile phones. Using a mobile phone as an audio source. > Bluetooth® is a registere ...