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      08-31-2011, 10:31 PM   #29
gblansten
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Drives: 2014 BMW M5 SG/SS
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Quote:
Originally Posted by captainaudio View Post
If you are looking to get around a track fast 18s vs 19s will gain you more than a CF roof.

CA
That's a great point. I knew damn well when I opted for the 19" wheels (220M) that I was NOT enhancing the speed of my car. 18s definitely have an advantage.

http://www.caranddriver.com/features...sted-tech_dept