The N55, BMW's First Turbocharged Valvetronic Engine autoevolution


BMW S55 vs N55 Which One is Better? Dust Runners Automotive Journal

The BMW N55 features an entirely aluminum construction, including both the head and block. Unlike the BMW N54 which featured a forged crank, the N55's rotating assembly is primarily cast iron. This changed later, as BMW revised the N55 engine for use in the F87 M2.


BMW Race Engine by VAC Motorsports, BMW N54/N55

The 3.0-litre straight-six with BMW TwinPower Turbo technology wins its fourth title and the MINI 1.6-litre four-cylinder turbo unit its eighth in the world's leading engine competition.


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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]


TwinScroll Turbo System Design Explained

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The BMW N55 is a 2009 model with a turbocharged 3.0L inline-six engine. It was launched to replace the successful N54 — BMW's first mass-produced turbocharged engine — and had huge shoes to fill. The N55 included several improvements, the majority of which were designed to make it a more dependable machine than its predecessor.


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The BMW N55 engine represented a big step forward in terms of BMW's turbocharged engine formula. The N54 inline-6 that preceded the N55 in 35i model BMWs became both an icon and a black sheep due to its power potential and subsequent unreliability. The N55 resolved most of the major issues with the N54, but it is often considered the less.


n55 engine diagram

The following provides an overview ofthe features ofthe N55 engine: Crankcase: • Large longitudinal ventilation holes inter-connect the crankcase lower chambers and relieve unwanted crankcase pressure between cylinders. • Modified oil galleries enhance the supply of oil to vacuum pump.


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N55 Engine Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Engine Components/Systems Overview.


Bmw N55 common problems — GTinnovation

Option 1 - Select Your Vehicle (USA Models Only) Use the following dropdown menu to choose your BMW. Option 2 - Enter Your VIN Number (USA Models Only) Please enter your full 17 digit BMW VIN number below to search our parts diagrams. Please remove any spaces in your VIN number to ensure it enters correctly.


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Jul 30, 2021 BMW's N55 turbocharged inline-six engine replaced the N54 in multiple models. We review the N55's performance and reliability. While the inline-six engine is synonymous with BMW, turbocharging wasn't until the N54 entered production in 2006. Three years later, BMW came out with the N55 as a replacement in 2009.


The 5 Most Common BMW N55 Engine Problems 3.0L N55

ENGINE N55 - Service Information INTRODUCTION The N55 engine is the successor to the N54, Re-engineering and modifications have made it possible to now use. Full Load Diagram Compared to its predecessor, the N55 engine is characterized by lower fuel consumption with the same power output and torque data. Compression ratio [ ] 10.2 10.2


The N55, BMW's First Turbocharged Valvetronic Engine autoevolution

Bmw N55 Engine Diagram: Exploring the Anatomy of a Powerhouse. The BMW N55 engine is a powerful and efficient piece of engineering that is at the heart of many BMW vehicles. This inline-six cylinder engine is known for its performance and reliability, and understanding its anatomy can give enthusiasts a deeper appreciation for its capabilities..


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The BMW N55 is a 3.0L inline 6 turbocharged, direct-injected gasoline engine produced from 2009-2019. BMW's N55 engine succeeded the N54 engine, but moved to a single-turbo design as opposed to the twin-turbo N54. The N55 also followed the N54's footsteps winning 3 straight Ward's 10 Best Engines awards. It is most notably found in 2011.


N55 Charge Pipe Question

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 with the introduction of BMW's first automotive inline-6, the M78.


[43+] Bmw N55 Engine Wiring Diagram, Bmw N54 Wiring Diagram Wiring

Vacuum System The N55 engine is equipped with a vacuum pump for generating the vacuum required by the brake booster and the auxiliary consumers (exhaust flaps and wastegate). A vacuum accumulator (built into the cylinder head cover) is used to ensure there is sufficient vacuum for the wastegate valve at all times.


Analysis The N55B30 engine

Vacuum system: • The N55 engine has a two-stage vacuum pump as on the N54. • The vacuum system has the vacuum reservoir built into the cylinder head cover. Fuel injection: • HDE (high pressure fuel injection) system is installed on the N55. • The HDE system uses solenoid valve fuel injectors instead of the piezoelectric type used on HPI.

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