Sold the M3 and so I have a set snow tires for sale.
Sport Edition A7 Silver 18x8 all around. Bridgestone Blizzak LM-25 V 235/40R-18. Offset: +20mm. Tpms. Mounted & balanced from tirerack. About 9/32" tread - $850
Link to Tirerack:
http://www.tirerack.com/wheels/Wheel...ed&showRear=no
UPDATE: Added pics. No bubbles or curb rash. Tires range from 8/12 to 10/12.