The BMW N54 engine is one of those rare modern powerplants that arrived with a bang and never really stopped making noise. The N54 motor debuted with a mission: to combine BMW's traditional inline-six ...

Mechanics see some pretty incredible stuff, but this used BMW N54 engine's state has this garage owner in a state of shock. Featured Video The mechanic regularly posts his repair stories to TikTok. In ...

Ralph Hanson November 19, 2008 Comment Now! In an effort to address specific noise concerns, BMW in the United States updated the turbocharged engine software on 335i/xi and 535i/xi models built from ...

The BMW 3.0 N55 engine only came a few years later than the 3.0 N54, and both had much the same power output, so what are the differences between the two?

Car enthusiasts of a certain age may feel particularly dated by the following fact: the first two powerplants to mark BMW's mass-market adoption of twin-turbo engines are about to start turning 20.