I have updated the Nav in my 1M you need the FSC Code there is a lad i use its only 16 euros
Pm me if you need his email address
We are on map 2016 - 2
you can download the MAP FROM HERE
http://www.bmwfsc.ca/map-data/
For the 1M you need this map
BMW Road Map Europe Europa WEST PREMIUM 2016-2 (3-USB/DVD)