Took the car in yesterday to have the ICE upgrade and although told it would all be done in a day it was far from it.Quite honestly it's all got a bit complicated! Apparently the door cards are what's called "wet" so anything in the door needs to be totally waterproofed so they are having to build bespoke speaker pods. The plug on the back of the HU is a new design and as a result there is no adapter yet made to convert to the Pioneer unit going in. They can't connect up the rear speakers without hard wiring them to the back of the new HU meaning all the rear seats and panels need to come out to run the cabling. The amps won't fit behind the rear wheel arch covers so I am having to ditch the space saver and have them under there instead and carry a can of tyreweld (not too bothered about this as my RX8 only ever had a can of foam instead of a spare) The CD changer won't fit in the glovebox without cutting out a small part of the rear of the plastic (invisable once the glovebox is back in place) Has anyone elseupgraded an S£ or A3 with concert HU recently,if so did you have all the same problems and what were the solutions?