Meanwhile, the 335i’s N55 engine has earned a bulletproof reputation as one of BMW’s most reliable turbo sixes, especially ...

The time has come for Dinan Engineering to release a Stage 2 kit for the N55 3-liter inline 6-cylinder engine from BMW. Even though Steve Dinan, the founder of the company, is no longer overseeing ...

The latest BMW model to toss the old twin-turbo 3.0-liter inline-six in favor of the new N55 single turbo version is the X6. Starting in 2011, the X6 xDrive35i will get the new N55 engine, which BMW ...

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 ...