Hi, how old is the BMW ,is your device updated?. Also see you tube for a fix for maxisys
has stopped there are several. Or go back to homepage,open es file ex local-sd card-
scan-apk back-maxidas.apk,long press to uninstall,return to home page,open system
set apps - maxisys -uninstall updates. If your device is old maybe it is time to replace
for a new one like ms906s or ms906pro