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      05-16-2020, 09:42 PM   #39
Peter619
peter619
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Drives: 2021 BMW 530i xDrive
Join Date: Nov 2015
Location: Buffalo, NY

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Quote:
Originally Posted by Transfer View Post
Quote:
Originally Posted by The Outrage View Post
When over-sizing tires you may wish to consider tire deflection when under load. Tires are not rigid. Their shape changes considerably when in use.

Yup. 245/40 on 19x8 will compromise handling although debatable how much you would notice it subjectively. If I were upsizing stock 19x8 square wheels I would go 235/40 max but if really trying to upsize you need wider wheels.
Yes, Tire Rack told me not to go bigger than 235/40/19 for my G20 non-M for a square setup. Not that you can't, but they don't recommend and can't guarantee no rubbing up front if you go bigger.
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