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:

    Fuel cap
    Opening 1. Briefly press the rear edge of the fuel filler flap. 2. Turn the fuel cap counterclockwise. 3. Place the fuel cap in the bracket attached to the fuel filler flap. Closing 1. ...

    The concept
    Pressing the Start/Stop button switches the ignition on or off and starts the engine. Automatic transmission: the engine starts if the brake is depressed when the Start/Stop button is pre ...

    1 Series M
    Rather than the single-turbo setup from the 135i, the 1 Series M gets a twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In extreme situations, the 1 Series M can ente ...