I have a 2007 model year Audi A3 Sportback (8P2) with the double DIN Concert II+ and Bose and want to fit my Blaupunkt Woodstock DAB 54 stereo (with bluetooth adapter for mobile phone connectivity). Having researched this extensively, I now think I know what leads I require from Blaupunkt, but have seen on some of the aftermarket lead websites (Autoloeads, Connects2 and Incartec) mention of half and fully amplified with Bose. The Blaupunkt accessories catalogue also suggests that different leads are required in some cases for Bose fitted vehicles but is not very accurate always as it has my A3 down as having ISO connectors and I'm sure they'll be Quadlock/Fakra. Does the fact I've got Bose make any difference to the leads I'll require? Even though I've not got the multi funtion steering wheel (MFSW) I was going to get the Blaupunkt RCI-4A-VW (7 697 589 521) CAN-BUS adapter as the Blaupunkt recommended Universal CAN-BUS adapter, RCI-4A-CAN (7 607 500 501), doesn't seem to be sold by anyone in the UK (Caraudio24.de Eur 59.00) and requires another lead (7 607 621 175) anyway (Bluespot £20). I'll just not connect the C1 and C2 remote control connectors as I'll need these for the bluetooth unit. I did look third party connectors but they all seemed to have tails that needed wiring in somewhere and it was more complicated to wire the active antenna power - it seemed neater, if more expensive, to buy one connector with all the bits on it. I think this will all work but am not sure about how the Bose affects things, if at all.