R56 Navigation question.
#1
#2
Consider that it would also involve swapping in a different stereo and a couple of components on the center stack. If you have the time, money and perseverance, it can be done. It's questionable whether it is something practical to do.
https://www.google.com/search?q=r56+nav+retrofit
https://www.google.com/search?q=r56+nav+retrofit
#3