Just bought a 2006 530i over the weekend but dealer was unable to locate a unit with NAV built in (as well as some of the other options I wanted). I was curious if there was a simple path to adding the NAV function now that they already have the LCD dash screen and roof antenna pre-installed. I would guess that the 2006 is mostly pre-wired, ready to add features as needed.
Anyone look into the 2006 retrofit options yet?