damn!
never seen that, seems like an ECU problem, it might be something simple since it is not consistent. take it to Bay Diagnostic (google for more info) - cheaper than a dealer and experienced techs. Hopefully an ECU reset will do the trick. Good luck!

__________________

2007 4.8i X5 - Monaco Blue/Beige
Sport - Tech - Cold Weather - Rear Entertainment - 3rd Row Seats - Premium Sound - Rear Climate