The BMW N55 is a turbocharged straight-six petrol (gasoline) engine that began production in 2009. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger. It also won three straight Ward's 10 Best Engines awards in 2011–2013. [1]

The first-generation M2 used the F8x chassis from the M3/M4, codenamed F87 and featured the BMW N55 series engine, while its successors, the M2 Competition and M2 CS, featured a twin-turbocharged engine developed by BMW M GmbH (S55 engine).

Jul 24, 2021 · What BMW has done to the N55 for M2 duty is make it sturdier, more durable and more stable, as well as more powerful, to insure that it can take the sort of beating M2 owners will likely give it. As BMW fans, we love the N55 engine, in all applications.

Jan 7, 2023 · In this ultimate guide, we cover the 3.0L turbocharged inline 6 BMW N55 engine. Learn about N55 specs, modifications, and reliability.

Oct 29, 2018 · The turbocharged inline-six, one of the last hurrahs for the outgoing N55-generation engine, whipped the M2 to 60 mph in 4.1 seconds. The quarter-mile passed in 12.7 at 110 mph. View Photos

Jul 28, 2016 · BMW's M2 has a newly developed version of the old N55 engine. We take a look at how BMW updated it for M2 duty.

Jun 5, 2023 · As of this initial post, there are ~36,000 miles on the car. After combing through many Bimmerpost threads, v03.13 of Mike Miller's Lifetime Maintenance Schedule, and my M2 Owner's Manual, I've come up with this preventative maintenance schedule (intervals listed in …

Dec 12, 2023 · The N55 engine is a 3.0-liter inline-six turbocharged engine that produces from 300 horsepower to 445 horsepower in ALPINA models.

Mar 28, 2025 · Like its predecessor, the N55 is a turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel injection. It was available in just about every chassis BMW used during its life, including the F01 7-series, F16 X6, and the F87 M2. These engines span back to 1933, when BMW introduced its first automotive inline-6, the M78.

Jan 15, 2016 · The M2 is powered by a 3.0L inline 6 cylinder with M TwinPower Turbo Technology (N55). This engine is based on the N55 engine from the M235i, but with significant changes and enhancements. The M2 N55 has gained selected components from the BMW M3/M4 S55 engine.