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      06-21-2017, 12:05 AM   #8
joeo
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Drives: 2009 Crimson Red 135i
Join Date: Mar 2008
Location: Sterling, Va

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2009 BMM 135i  [9.50]
Did you see any downside to going from 18" to 17"? Going from a 255/35/R18 to a 255/40R17 increases the sidewall height by about 14% or just about 0.5". That will certainly reduce response with the additional sidewall flex. However some of that may be offset by a 9.0" wheel vs an 8.5" wheel.

-joe
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