See also:

Distance
Selecting a distance Adjust the distance according to the traffic and weather conditions; otherwise, there is the danger of an accident occurring. Maintain the prescribed safety distance. ...

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 ...

Switching on automatically
Select transmission position R with the engine running. The backup camera image is displayed if the system was switched on via the iDrive. ...