I've been lurking on the list for the past few days with interest.
Being a new Audi owner (used, actually) I've decided to add my $0.02
Re: reconditioning the trim around the windows.
I've found one way to permanently fix faded trim is to remove / mask
it off and repaint it. A good quality semi-gloss black usually works.
For the soft plastic surfaces try "Liquid Glass" - It does not leave a
slippery residue like "Armor All" and does not make it shiny either.
My question for the list is: I just bought an '85 4K-CS. It has the
full electric windows/locks/s-roof etc package, but the engine is only
a 4-cyl. Not that I'm feeling ripped off, but can anyone tell me if
that is the correct engine for this model year? Someone told me that
all -CS's came with the 5-cyl??