Are they the recommended 225's on the car? Narrow is better than wide with snow tires. Practically new meaning one winter of driving mileage? Was DTC enabled? I found myself stuck on a small hill in Ottawa last winter and when I engaged DTC, the wheel spin helped clear the snow and get me up the hill. Weight in the trunk will help give the snow tires a better bite but personally I'd wait until the plows come thru before getting on the roads.
2013 F30 335i | Sportline | Imperial Blue Metallic | Black Dakota | 6-speed | HK | Cold | Premium | 19" Staggered Sports | M-Performance Exhaust
2009 E90 335i
2007 E90 328xi