i concur... full screen works!

but i like the assistance window...

i usually have my ipod music list view and a nav screen on the assistance windows (select "map direction of travel")

when i'm using the NAV alone i use the assistance window to show "arrow with direction of travel" which also counts down distance to next turn as well as name of street or highway exit number...

pretty helpful...

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2012 X5 50i M-Sport
2014 X3 35i M-Sport