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      04-19-2012, 04:01 PM   #26
mgwatson48
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Drives: 2008 E86 M
Join Date: May 2011
Location: Canada

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That has determined for me my first drivetrain mod. Best bang for the buck mod BY FAR.

Is there ANY downsides in terms of reliability with putting a 3.91 or 4.10 in?
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