This happened once in my '11 750i xDrive and, apparently, it is not uncommon. Basically, the car's computer cannot sync with all of the applications. Shutting the car down completely and leaving it for a few hours solves the problem and allows the computer reboot.
2015 Porsche 911 GTS
2016 Cayenne S eHybrid
Past BMWs: `05 645CiC; `07 650i; `08 M6 convertible; '08 135i; `11 750ix MSport; `15 M235i convertible
"You think that's air you're breathing now?"