I would buy 255/35 and 275/35.... I would not get the sizes you are considering. You may have some slight rubbing at full lock with the 255/35 AD08's but it's so minor that it's not worth worrying about.
'04 E46 M3 - Jet Black - Sold
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'13 E92 M3 - Alpine White - Ohlins TTX, AP Racing BBK, Cobra Seats, Akrapovic GT4, BBS E88, Volk TE37, OE GTS - Aero, 1/2 Cage & Seat Delete