Stalk Interface Fits Audi MINI ISO FULL BOSE A3 - 2003> A4 - 2005> TT - 2006> CONCERT II/SYMPHONY II/CHORUS II/ BLAUPUNKT/MATSUHITA/GRUNDIG Can Bus - MINI ISO CONNECTOR Plug and Play installation Audi Steering Wheel Control Interface Note: Maintains full Bose amplified systems