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:

    External temperature
    External temperature warning If the display drops to +37 ℉/ +3 ℃, a signal sounds. A Check Control message is displayed. There is the increased danger of ice. Ice on roads Even ...

    Convertible Faults
    When the top is down, the 650i is truly magnificent. Very little wind intrudes on front passengers, and the car feels rigid — very rigid. Like a tank. The cruising experience is terrific right un ...

    Breakdown assistance
    Vehicle equipment All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not avai ...