Just wanted to write a little update on this as BMW has released official news:
As of production 07/16, all new M2 will be equipped with the new iDrive/Connected drive with more natural speech recognition and Wifi hotspot / wireless charging as an option. No mention of a touchscreen though.
Apple
Wireless Carplay will be available second Half 2016 for 300€.
Pricelist-M2-GER on page 19
This is pretty exciting