Wrong section, '07 E92 + the '09 E90 are both the N54 motor.
IIRC, the E92 exhaust system has an X-pipe from the factory while the E90 does not. The X-pipe will accentuate the exhaust note, which explains why WOT the E92 was louder
Last edited by benzy89; 07-11-2012 at 08:38 AM..
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