Since the moment we learned of the N55 replacing the N54 we’ve asked ourselves one simple question, are we getting a more efficient yet less powerful engine? Automobile magazine has wondered the same thing and (thanks to dyno testing the N54 over the years) has some solid data to help figure it out all. So [...]
Author: Gabe
Source: http://www.bimmerfile.com/2010/09/14/au ... s-are-off/