I don't understand why anyone would get these for an M3. I would recommend doing it right and getting proper summer tires and proper snow tires. I would not be happy with sub-par performance year-round.
'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