Initialization after a power failure

After a power failure, it is only possible to raise the roof, if necessary.

Have the system initialized by your service center.

    See also:

    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 ...

    Charging the battery
    In the vehicle, only charge the battery via the terminals in the engine compartment, with the engine switched off. ...

    Switching the microphone to mute
    When a call is active, the microphone can be muted. 1. "Telephone". 2. "Active calls". 3. "Microphone mute" A microphone that has been switched to mute is automa ...