Basically comes down to tire selection. If you want maximum snow capability but still want to use H rated snows, I'd go 205/50 on the front. If you want the maximim snow traction and are willing to use the Q rated tires, I'd go with Blizzak WS-50 with 225/45R17 all around. This is the setup that the former moderator, Eddie, used on his 330CI last year and he loved the results.
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