Hello! I just bought a 2020 X5M Comp over the summer and what a lovely beast it is! But… I never thought for a second about winter tires for it. I went back and forth with the dealer (it was purchased used so it’s actually the Porsche dealer who got it on trade) and their parts department who have been working with me on getting wheels + tires on order. Long story short, it’s been on order for 6+ weeks from Tirerack with no estimated date of arrival in sight. They are recommending: Size: 21x9.5 in the front and Size: 21x10.5 in the back with the Michelin Alpin 5 Snow Tires. What about doing 21x10.5 on front and rear? Does this pose any problem or negative issue? Snow is coming and I really need to get a winter wheel + tire setup for my X5MC quick!!! Thanks!!!

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