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:

    General information
    Antifreeze for washer fluid Antifreeze is flammable. Therefore, keep it away from sources of ignition. Only keep it in the closed original container and inaccessible to children. Follow the in ...

    Switching on automatically
    Select transmission position R with the engine running. The backup camera image is displayed if the system was switched on via the iDrive. ...

    Under the Hood
    The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch automatic. Either car hits 60 mph in abo ...