Close the windows and glass sunroof

BMW 3 Series / BMW 3 Series Owners Manual / Driving tips / Saving fuel / Close the windows and glass sunroof

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

    See also:

    Vehicle equipment
    This Owner's Manual describes all models and all standard, country-specific and optional equipment that is offered in the model series. Therefore, in this Owner's Manual, equipment is also desc ...

    Switching on/off
    Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. The system can issue warnings at speeds above approx. 40 mph/65 km/h. The state is stored for the remote contro ...

    Notes on Emergency Requests
    Do not use the voice activation system to initiate an Emergency Request. In stressful situations, the voice and vocal pitch can change. This can unnecessarily delay the establishment of a teleph ...