I'm half way through retrofitting a rnse and Audi Bluetooth module to my 2001 s3 but need help recoding I got the rnse up and running but the Bluetooth and dis display aren't. The dis use to display track info on the original hi. I have a full vcds but I think I'm getting the wrong code. Anyone retro fitters got any tips or close to Manchester . I dont need a ami unit to get the Bluetooth working do I ?