As I have written before, bluetooth is not such a useful feature.
MP3 is a + but keep in mind that you will have to be busy adjusting your FM dial to find a clear channel for the FM transmitter. If you are on the highway, the clarity of your channel will be changing frequently. Also you will want to find out how much gb is avail for music.
Lane assist is quite useful, and Junction View a nice feature, but junction view is only avail in certain areas until more map updates come out.