Quote:
Originally Posted by WasIgoingSideways?
Dealer SA said I should not put a square setup on the car per discussion with BMW. I have these tires and will likely put them on also. There is a square 19” set coming from BMW, don’t see why a square 20” set has an issue. Although 285’s on the front may be problematic. He said they had an issue with too large of front tires possibly damaging a differential on a 7 Series. Don’t know the details.
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Square set up is fine on 19' but not on 20'?
That doesn't make sense.
As long as the rolling diameter is the same you can't damage differential.
10mm wider on front won't change much on hight, besides that, I won't be driving much in winter anyway.