Quote:
Originally Posted by colson79
I think it really depends on the person. My X3 came with 19" all season run flat tires but I recently installed a set of 18" non-run flat winter tires and I didn't really notice any difference in ride stiffness. The only reason I when with non-run flats for winter tires is there is a much better selection of tires.
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I also read (somewhere) that the vehicle suspension is calibrated for run-flats. If you didn't feel any difference, it does not mean there is no difference (e.g. it might not come into play or be felt unless there is some stress on the suspension such as when you might come close to bottoming out). Just a thought...
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2013 x35i (Space Gray, MSport, CW/CWII, DHP, Premium, Premium Sound, Technology, BMW-Apps)
Retired: '09 C300 4Matic, '09 GTI, '06 750i, '05 C55, '04 R32, '03 M5, '02 GTI, '01 M5, '00 M-Coupe, '00 540i/6, '99 M3 Coupe, '98 M3 Coupe, '96 328i,... '86 4000 CS Quattro... too many to list.