If you don't daily your car and can avoid the rain then what the hell.
I for one will tell you though that even with a skim coating of water on the road you better be at the top of your game. I'd go PSS if your going to see any type of precipitation, that's the tires I plan on using for wet track events this year...
2009 E92 M3 /// Melbourne Red /// Fox Red /// M DKG
Full Innotech Exhaust - DINAN Intake - IND Engine Bay Appearance - IND Hand Stitched Boot Covers - and much more....