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      12-12-2013, 02:13 PM   #9
duk
///M
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Drives: 2011 AW/FR 6MT E92
Join Date: Jun 2007
Location: San Jose, CA

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Will ECU upgrade do that much? The turbos are already pushing 21psi? There doesn't seem to be much room for improvement vs N54/N55 in terms of pure hp gains.

Which is ok to be honest, I suspect weakspot will not be the engine.
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2011.5 AW/FR E92 M3 6MT