N55 vs. N54 In the market for an E90 again.
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09-09-2012, 07:48 PM
Drives: '09 E90 335i AW M-Sport
Join Date: Sep 2010
Location: Littleton, CO
I'm looking for a good amount of power. If I got a N54 again, I would do all the mods, other than turbos, for now... so, tune, intake, fmic, dp, exhaust, e85, w/m... Now does a N55 with those same mods put down the same kind of power as N54?
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