i asked this somewhere else
concerned about the tire size and the AWD. the staggered wheels 8,5x18 rear and 8x18 front putting the 225/40/18 all around wouldn't that change the tire diameter on the wider rim effectively making the rears a smaller diameter than the fronts? in the end putting a constant stress on the Xdrive systems because the front wheels will be turning at a slightly different RPM than the rears?
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