How about you check this thread that has tons of info on various wheel offsets, tire sizes, and rubbing? It's a sticky on the wheel and tire sub-forum.
Rub no Rub Index:
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'04 E46 M3 - Jet Black - BBS E88, KW Clubsports, Brembo BBK, SuperSprint Exhaust