Hey new here i have just bought a 2014 f30 320d was freshly imported this week, and the navigation is Japan maps. I've downloaded the correct NZ/Aus maps onto a pen drive but before i spend $60 on a FSC code does the region need to be changed in the NBT? or does it need coded? or can i just upload the new zealand maps and it will overwrite the japanese maps? if someone could help me out that would be great as this is my 1st beamer so not really up with the play yet. Thanks