Remove attached parts following use

Remove unneeded auxiliary mirrors, roof or rear luggage racks after use.

Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption.

    See also:

    Note
    If equipped with Business mobile phone preparation equipment package or without mobile phone preparation. ...

    Activating HDC
    Press the button; the LED above the button lights up. ...

    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 ...