Here another hidden menue, in the GPS

Stating this point (in Englih, it is something like "map, car direction") :



Push the iDrive forward and right together

then :

turn 3x right
then 3x left
then 1x right
then 1x left
then 1x right
and finally push the iDrive

You will arrive here:




and last push the iDrive to the right, you will get that. After you can navigate




Here is the demo mode. Use with caution !!! :