Thread: N55
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      09-02-2009, 04:38 AM   #12
cstavaru
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Drives: 2009 335i M Sport Sedan 6MT
Join Date: Aug 2008
Location: Bucharest, Romania

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Nice info !

It seems that the N55 has 8% better fuel consumption, lower emissions, maximum torque is reached 0.5 seconds earlier and maximum torque begins 100RPM earlier. Looks like a winner...the only problem is tunability. I am not sure that piggyback can be used to tune a Valvetronic engine. Flashes most likey.
Appreciate 0