Installation was carried out without problems in Audi A2 with single CD Concert Radio. First, to expand radio and solve 12pin connector. These connect to the adapter and then again the 8 pin (blue) get loose and exchange through the cable to the device. Installation was carried out by expansion Klimabedienteil, storage and Ash down to the center console. On Radio fixing of the ground cable is not forgotten. Sound properly. Cell phone / iPod is charged. In addition, operation with Apple Ligthning adapter to the new iPhone / iPod possible incl. Load.
Addendum 05.02.2015: I have now rebuilt again. The box (size of a cigarette) I have now shipped to the center console. There is enough space behind the radio / climate control panel). Only the Aux and iPod cables look now even the bottom of the center console out. Thus, sufficient space and connectivity. The installation time is reduced if you have the hang of it on 15 minutes. Of particular note: no drilling, NO MODIFIKATON the car, no radio CODE NOTNWENDIG (All cables can STICK TO THE CONVERSION, sound in CD quality.