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      06-29-2010, 02:46 PM   #30
cstavaru
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Drives: 2009 335i M Sport Sedan 6MT
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On the dyno the N55 vs N54 performance is the same. On the street, I read that the N55 is actually quite laggy (read the BMS statements on this forum) and this could influence the 0-60 time. However, if using the launch control feature of the DCT the engine may start at max boost which could suppress the lag.