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      07-07-2014, 09:29 PM   #28
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Drives: e92 335xi
Join Date: Mar 2009
Location: Philadelphia

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So my last thoughts are that the construction of the PSS with its twaron fibers makes the tires act differently than normal, and that the measured rim width could cause a difference.

With the 225/35R19 and 265/30R19 they have measured rim widths of 8" and 9.5" respectively. I mounted them on style 313 wheels which are 8" and 9" respectively. So maybe since the stretch was different from front to rear it changed the rolling diameters disproportionately. Does anyone have any experience or thoughts on measured rim width differences with the wheel causing diameter changes?
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