Changing the scale
1. 
Select the symbol.
2. To change the scale: turn the controller.
Automatically scaled map scale
In the map view facing north, turn the controller in any direction until the AUTO scale is displayed. The map shows the entire route between the current location and the destination.
See also:
ConnectedDrive or BMW Assist
...
Incoming call
Receiving calls
If the number of the caller is stored in the phone
book and is transmitted by the network, the
name of the contact is displayed. Otherwise,
only the phone number is displayed.
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Resuming the original route
If the route section should no longer be bypassed:
1. "Navigation"
2. "Route information"
3. "New route for:"
4. "Remove blocking" ...