Guys my 4.8is has summer perfrmance tires on it, couple of weeks ago during the first snow fall, it was pretty much useless, thats why this weekend i went to the sky resort with my cousins ML 500.
What do you guys suggest?
I'am not even sure there are the winter tires available for 4.8is front as you all know 275, and back 315?
any help would be appreciated.

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---2008 X5 With All Factory Options

---2002 Black S 500 Designo Edition