obviously there will be a difference over the 255.. but all four wheels for the winter are the issue, front and rear. 235s front and rear will be fine. speedo will read 60 and youll be doing 59mph. 235/40 is .5inches taller than stock so thats why you see the % difference.
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2018 PB/Black G01 X3M40i | 699M | ZDA | ZPP | ZPX | Maxton front lip | X3M vents | 15mm Spacers | Diamond G20 style grills
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