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      11-28-2008, 05:13 PM   #18
reRESERVEDFX
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Drives: 06 BMW Z4 3.0i 03 BMW M5 DINAN
Join Date: Oct 2008
Location: Downers Grove, IL

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I also doubt that 20HP makes so much difference in the exact same car. I'm more lenient to the epbrown's opinion about final drive ratios but it still doesn't explain how 3.0i can get a second faster from 0-60 than 3.0si. Today I did 2 hard on starts and managed to get about 5.2 and 5.4s 0-60 times respectively. Stock 05 Z4 3.0i.
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