I have a 2001 TT Quattro with the Bose system and the Cassette Concert Radio, though the volume **** is a bit defective and the Audi dealer is willing to replace the radio at no cost to solve the problem. My question is that I m wondering if they order the Concert II radio with the CD in the headunit can they swap that in with no problems? Does it just plug in with no modifications?

Thanks in Advance.

Anthony