I did it today and like every other Audi I have owned the oil change was a pain in the ass.
Is there some special device used to drain the oil filter canister before opening it? I bought the required 36 mm socked (but should have found a shallow one LOL, barely fits in the space) and of course made a huge mess on the floor.
The wizards of Youtube have a few videos of oil changes in A4 but none mention draining the canister nor do they OWN UP TO THE FRIGGEN MESS if you don't drain it. So another Special Tool?????
Mike