Originally Posted by CBR335
Originally Posted by jpsimon
n55 isn't in the 335is
well put. i always would choose a N54 over the N55. hmm ... i have a N54 already, so nothing to buy
. wait - N54 turbo upgrades
the N54 is proven in pretty good tuning capabilities and serious power-gains. tunes and bolt-ons are tested and available. why downsizing (IMO) to the N55 ?