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I am leaning towards going the 255/275 route on oem wheels. Are there any downsides to going this route aside from a 1% rolling diameter variance?
I am more so curious as to why BMW didn't offer this standard as they are same wheel sizes and offsets as on the standard M3/4 and assume it would have been easier to carry over the same sizing. Just wondering the rationale they used for determining this and if it is something I should be concerned about.
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