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      03-14-2013, 06:53 AM   #2
CombatNinja
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Drives: e91 328i, e90 328i, e90 335i
Join Date: Feb 2011
Location: United States

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Are you referring to the engine tuning program or the transmission tune that everyone is jumping on? From what I understand, the engine is heavily reworked and is actually biturbo like an N54.