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]

Feb 19, 2018 · The n55b30m0 means mid range, n55b30o0 is the enhanced (m135i/235i) and the n55b30t0 is the top of the line used in m2 and x4 m40i (at least), there's a number of variation between them, e.g b30t0 is a semi-closed deck design while o0 and below are open deck design but there are many more differences.

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.

N55,oilpump Index Explanation Index Explanation 1 Controloilchamber 7 Housing 2 Pressurelimitingvalve 8 Holeforpressurecontrolvalve 3 Rotor 9 Dampingoilchamber 4 Vane 10 Compressionspring(2x) 5 Duroplastslidevalve 11 Pivotaxisofrotation 6 Innerrotor 23 N55Engine. OilPumpandPressureControl

Nov 8, 2023 · In the annals of automotive engineering, few powertrains have garnered as much acclaim as the BMW N55B30 engine. Introduced as a cornerstone of innovation, the N55 represents a pivotal shift in BMW’s approach to performance, efficiency, and reliability.

Mar 9, 2015 · BMW N55 engines review and specs, tuning, turbo upgrade, reliability, problems, modifications and differences, oil and others.

Oct 9, 2014 · The n55 is a strong engine, but it needs some throttle control and more legs. Allowing for a slightly larger twin-scroll offset... & all forged internals for durability & strength.

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.

BMW präsentierte den N55, einen turbogeladenen Reihensechszylindermotor mit Vierventiltechnik, Ende 2009 im BMW 5er Gran Turismo (535i GT). Es handelt sich um den ersten Twin-Scroll-Turbolader-Ottomotor von BMW, der ein Valvetronic-System und eine Direkteinspritzung besitzt.

Feb 18, 2019 · Der BMW N55 ist ein turbogeladener Reihensechszylindermotor in Vierventiltechnik. Er wurde 2009 im BMW 5er Gran Turismo 535i GT eingeführt und ist der erste Twin-Scroll-Turbolader-Ottomotor von BMW mit einem Valvetronicsystem und Direkteinspritzung.