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      02-26-2012, 08:23 PM   #5
taibanl
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Drives: BMW
Join Date: Sep 2010
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Two links to study, both valuable in their own right.

http://www.m3post.com/forums/showthread.php?t=637056 (credit Technic)

http://www.e90post.com/forums/showthread.php?t=451762 (Don's work)