Bought the pioneer appradio 2 sph-da100
Halfords | Pioneer SPH-DA100
also got this fitting kit
Audi A3 (2006-2009) Double Din Car CD Stereo Fitting Kit Fascia, Stalk Control | eBay
Also getting the relay for parking brake tomoz
What else do i need to connect it up to my 2009 A3 BE since it has the bose system?