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      11-15-2011, 07:19 PM   #1
Powerslide
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Drives: '15 AY M3 (sold 2008 E93 M3)
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If 18\" handles better than 19\" - why 19\'s on ZCP?

I\'ve seen lots of posts over the years on this forum where many people say, all else being equal, the 18\" will handle better than the 19\" wheels (presumably due to less unsprung/rotational inertia, etc. Etc.)

If that is the case, why does the competition/ZCP package use 19\" instead of 18\"? Is it because the difference of performance in favor of the 18\'s so slight that the greater popularity of the 19\'s outweighed this alleged performance advantage?