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      10-19-2019, 12:50 PM   #3
mspringer
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Drives: BMW X3 35i M-Sport/DHP
Join Date: May 2011
Location: NJ

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2021 BMW X3 M40i  [0.00]
2002 BMW M3  [0.00]
Gong from the stock Alenza 001 RFT to the Michelin Pilot Sport 4S is a weight savings of 24 lbs.

I'm sure there's a big improvement in ride and handling. And while losing 34lbs in rotating mass (tires+ wheels) plus stickier tires should be bring some improvement in 0-60mph times, 4.8 to 4.4 sec seems a bit extreme. Some of this difference may well be due to their initial 0-60 time for the car on stock wheels and tires being a bit on the slow side, slower than others had reported.
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