Close the windows and glass sunroof

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

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    Reading lamps
    Press the button. Reading lamps are located at the front and rear next to the interior lamps. ...

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

    Personal Profile settings
    The following functions and settings can be stored in a profile. More information on the settings can be found under: Active Cruise Control: collision warning. Exterior mirror position. C ...