Typically smaller, thinner wheels are better suited for winter snow. I don't have experience with the 22" so I can not comment on that. Dedicated winters will be better but all-seasons should suffice.. At least I have not had any issues with all season 19" on my previous X5 in north NJ winter snowstorms on plowed and un-plowed roads.
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2015 F15 X5 35i Msport Space Grey M Performance parts MPPK, MPE
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