So i am thinking of ways to intergrate my ipod into the Concert 2 radio I have in my A4. I also have a multichanger, and don't really want to remove this. Do you think its possible to piggyback an ipod multichanger adapter onto the current CD Changer lead, and maybe incorporate a switch over one wire, so that the unit only ever thinks it has one device connected to the radio? Possible? Impossible? Not sure? Anyone have a wiring diagram for the multichanger lead? Cheers.