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]

Jan 17, 2025 · The BMW N55 is a turbocharged 3.0L inline-6 engine that was used in many BMW cars from 2011 to 2019. It’s an impressive engine with plenty of power and great fuel economy, but like any engine it can have its issues.

Jun 5, 2023 · My car sees 5-8 track days a year, as well as daily driving in summer and winter. I do the following: Oil change at 3k miles because of track use, otherwise I do 5k on all my past and current turbo BMWs. Engine air filter at 15k. Diff and trans are perfectly fine for …

Dec 12, 2023 · The N55 engine is a great engine that offers a lot of power, smoothness and efficiency for your BMW. However, it also has some drawbacks that you should be aware of and take care of.

Jan 24, 2015 · In the case of the latter, the N55 was also the first BMW powerplant to incorporate direct injection, Valvetronic and turbocharging in the same engine. Another first for the N55 is that the DME is engine-mounted: Its housing is an integral part of the intake manifold and the processor is cooled by intake air.

Oct 2, 2019 · I want to do the same thing…. replace an N55 seized engine in a 2013 X5 35. Would an N55 from s 435xi be compatible? I researched that it should be the same oil pan since the 435xi is an AWD car.

Mar 28, 2025 · BMW’s N55 engine was the Bavarian’s powerhouse of the 2010s and has since become a tuner’s delight. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the screaming,...

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.

Mar 30, 2025 · The BMW N55 engine, while generally reliable, has its share of common problems that owners should be aware of. Understanding these issues can help in early detection and prevention, ensuring that your driving experience remains enjoyable and trouble-free.

Mar 31, 2025 · Understanding these common problems can help BMW N55 owners take proactive measures to maintain their vehicles and avoid costly repairs. Regular maintenance and prompt attention to any warning signs will go a long way in ensuring the …