Hi, I've been testing configurations with the vag-com in the navigation plus, is a model 2003 with Bose speakers and amplifier. The configuration that originally brings is 00017 (XXX? X BOSE AND XXXX? Charger cd's etc) but the case is that as the sound does not convince me to change the 1 to a 0 XXX0X is not set as Bose and the truth is you hear a little more powerful and the question is as follows : I found information abou Bose settings 0xxxx -----> not touched, referring to country X? XXX -----> SPEAKER SET FOR EACH MODEL, DO NOT TOUCH XX? XX -----> THE 2 FOR BOSE XXX? X -----> FOR BOSE SOUND SET 1 XXXX? 7 -----> CD CHARGER and this: *? Xxxx: Options or +1 = Front Speaker Diagnosis inactive (ONLY Audi A4 Cabriolet) * X? Xxx: Tone Characteristics (<MY 2001) or 0 = Linear Tone Characteristics (All Radios) * X? Xxx: Tone Characteristics (MY 2002>) or 0 = Tone Characteristics for All Other Models and all Radio Chorus or 1 = Tone Characteristics for A4 (8E) o 2 = Tone Characteristics for A6 (4B) & Audi A2 (MY 2005>) or 3 = Tone Characteristics for A4 Cabriolet (8H) or 4 = Tone Characteristics for TT (8N) or 5 = Tone Characteristics for A3 (8L) * Xx? Xx: Fader / BOSE / Amplifier Fader or +1 = Display OFF or +2 = ON BOSE-Display or +4 = Mute When using Phone Amplifier and more information: Waks Wide Web and more ... Ti Kan: Audi Symphony II Radio http://www.audi-sport.net/vb/car-entertainment/58581-bose-questions.html wanted to know if anyone has this navigation plus and I can say is original configuration because the information of this configuration it´s depends that web Regards.