B81GGY

Hi guys I’m new on here and this is my first thread. Ive purchased a Bitdi and not really happy with the audio so wanted to know if anyone has done a how to tutorial on and install please. With it being a non bose set up I’m going to get the bose door cards to put in the 3 way components I took out from my q7 the door card removal looks straight forward but has anyone done the tweeter removal from the dash and of so how please I have also got the heads up display on the dash too. So basically I want to know the wiring method of what to tap into from the boot side please I’m going to run 4 channel amp for speakers sub amp audison signal processor from the standard head unit thanks very much in advance