Hi. I’m gathering all the parts to do a B&O retrofit on my s3 saloon. I have an interior loom on the way which has the wiring up to the doors. I had a look last night at the door loom connectors and realised they are a big block with no real space around them to run additional wires into the doors. So I have a couple of questions. 1. Anyone who has ran additional wires in to the doors.... did you put pins on your speaker wires and utilise the factory door connectors? 2. can I tap in and utilise the existing speaker wire looms that are already in the door for the standard sound system or does it need to be a better grade wire for the B&O?