I've got an old Birdview 5.1 system in my 54 plate & can't find an up-date or a set-up disc anywhere on the net all the suppliers say the DVD versions aren't compatible so you may be in the same boat as me I'm stuck with old maps & kilometres ( when I want miles ) so I'm busy trying to find an up-grade that all the steering controls work with but still fits in my chubby where the screen can be hidden from view.