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      07-07-2009, 03:12 PM   #3
SV Concepts III
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Drives: BMW Duh
Join Date: Apr 2005
Location: Santa Clara

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You should really consider an ECU tune. It is what ties those modifications together and allows your car to take advantage of the improved air flow. In fact, I venture to say the ECU tuning is the most important mod for the N54 in terms of power output.