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      01-22-2020, 09:36 PM   #9
HomeIn2
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Drives: 2020 X5 M50i
Join Date: Dec 2016
Location: So. CA

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+5 Aspect Ratio?

Wondering if anyone has tried, or considered going up 5 on the tire aspect ratio for the 21” wheels as a way to ditch factory run-flats. Looks like Tirerack has some decent non run-flat tire options at 275/45R21 (Front) & 315/40R21 (Rear).
Appreciate 0