See also:

Around the center console: controls and displays
1.  Coupe: microphone for voice activation systemand for telephonein hands-free mode Convertible: microphone on steering column 2.  SOS: initiating an Emergency Request call 3.  ...

Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

If the worst comes to the worst: BMW Assist Emergency Call with automatic vehicle location
In the event of an accident in the new BMW 3-Series, the Advanced eCall function from BMW ConnectedDrive allows the emergency services to receive detailed information on the type of collision and ...