Originally Posted by Jonjt
Im concerned about loosing the nav functionality and the additional audio features. I can buy a nav unit, like a tom tom but, I can't play music from a usb stick through the standard head unit. And, I don't want to add an aftermarket one.
The USB functionality and the navigation have nothing in common. Cars can have just the USB option without getting the whole navigation.
That being said, I personally really enjoy having the navi. Really quick and so convenient sending addresses through BMW remote/google maps.