Thanks for the input guys! I would defiantly run a dedicated set of 18" snow wheels and tires.
2014 Porsche Cayman S - Delivery on 04/28/14 - Sapphire Blue Metallic over Black Leather - X73 + 6MT
2011 BMW Z4 sDrive35is - Sold on 10/09/13 - Atacama Yellow over Black Alcantara/Leather - Euro Delivery on 7/19/2011
2011 BMW X6 xDrive35i - Sold on 4/19/12 - PCD on 8/5/2010
2005 BMW ZCP M3 - Sold on 12/11/10