With a reputation for sporty elegance, BMW models equipped with the N54 engine aren’t exactly known for delivering “raw and untamed” performance from the twin-turbocharged straight-six setup. But a ...

An evolution of the existing twin-turbo N54 engine, the 3.0L N55 tosses out one of the old engine's turbos in favor of a single twin-scroll unit. To get it to spool quickly, two exhaust manifolds ...

Ralph Hanson May 26, 2009 Comment Now! BMW’s current N54 series straight-six engine is one of the most praised engines in the industry today, having taken out the coveted International Engine of the ...

BMW's venerable N54 twin-turbocharged 3.0-liter inline six-cylinder engine is one of the most-loved of the Ultimate Driving Machine's current crop (the M Division's twin-turbo 4.4-liter V-8 being ...

While it's often tricky to ascertain the reliability of engines in modern vehicles, the sheer range and breadth of ability ...