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      06-23-2011, 12:09 PM   #67
grimlock
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Drives: F10 N52B30@255PS
Join Date: Sep 2010
Location: Hong Kong

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The addition of Valvetronic is more important than what PSI its running at or stated/'actual' HP.. since the latter is all conjecture and wishful thinking.
Valvetronic reduces lag like on the N55 vs N54 ..
Otherwise its the same old X6M/550i engine.. the 550i engine already has valvetronic does it not? so its an 'M' version of the same engine, or a next-gen X6M engine if that ones didn't have Valevtronic.
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