I am on vacation and on the road. Yesterday when starting the car noticed that NAV computer screen did not flip up or turn on. (E83). Panic set in. Pulled both fuses to check, plugged them back in and NAV came back. Only thing is that my CARPC doesn't come back. I have a feeling it has to do more with the NAV OS computer than the interface. Is there a fast non invasive way to reset the NAV computer? I am currently in the mountains at a hotel with a lot of snow around and a temperature of 10 F outside. Can I reset NAV with diagnostics menu? The vehicle is packed with luggage so its difficult right now to get to the NAV computer unless I remove all the luggage. Any suggestions?

I was able to reset the NAV / CarPC combo by unplugging the NAV computer (10 minutes) - all is well. Did it in my garage. With temps at around 10F it was difficult to try when traveling.

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E83 - Aero PKG Mods installed: Homelink mirror. CIS-IBUS video module, AUX, Rr Dr Release, stock wheels, Remote start, CarPC (Atom) & mud flaps - NAV - MKIV - NA Map DVD - 2011
E46 - 18.5 wheels/tires (summer), 17 stock (winter), Homelink, NAV software upgrade, BMW video module, Radio to V53, AUX, USB IBUS interface,BMW alarm install, CarPC(Epia), remote starter, tank battery & angel eyes. NAV - MKIII - NA Map CD - High Version 2008.1