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      01-15-2021, 11:55 AM   #6
solstice
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Drives: 2015 M3 6MT
Join Date: May 2013
Location: Seattle

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Quote:
Originally Posted by mkoesel View Post
I didn't watch the video yet, but does it explain why you wouldn't also want the larger size in front for the same reason? Or do we just assume that, because less sidewall will naturally impact ride quality, they use the smaller wheel up front as a compromise to minimize that consequence?
The video does explain that. The higher tire wall in the front give more comfort and more air volume to dissipate and distribute heat. He also mention better grip in the wet as a reason. I guess the higher tire has deeper grooves.
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