I have a similar question. Here is what I have on MS3 2007:
Wheels: Enkei RS7, 18x7.5, 45 mm offset
Tires: Falken FK 452, 225/40 R18
The tires don't last long at all. I've done several alignments and have gone through a few sets of tires. My winter tires on OEM wheels don't have the same...