Quote:
Originally Posted by The1
BMW doesn't use run flat on their M cars, so it is likely they are running a lighter wheel then our 135 or similar cars. so it won't matter if they are using the 18 or 19 on the car, because either way, it's likely going to be lighter then what we are currently "blessed" with.
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Yes, I know they don't.
But, again, all things being equal, like wheel material and tires, an 18" setup will always be lighter than a 19" setup.
So unless there is some real performance reason for 19's, it's cosmetic.