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      02-18-2012, 10:58 AM   #8
AlanAZ
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Drives: E90 325i sport manual
Join Date: Aug 2009
Location: Scottsdale, AZ

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For what it's worth, Dr, Haas prefers GC over M1. His recommendations updated in 2010 are 1/3 of the way through:

http://ferrarichat.com/forum/faq.php?faq=haas_articles
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