BMW E90 E91 E92 LCI F30 F10 F01 N57 High pressure Rail Fuel Diesel 7800124

BMW E90 E92 LCI F30 F10 N57 Fuel Rail is an original part of the BMW diesel engine fuel system, designed for N57 units. The used fuel rail from the Injector Nozzles category ensures proper fuel distribution in the common rail system, which translates to stable diesel engine operation and correct cooperation with the injectors.

Specifications and technical data

• SKU: 7805423
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805423
• Substitutable numbers: 13537805423, 7805423, 13537800124, 7800124
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Diesel Fuel System

The BMW fuel rail for N57 engine operates in a high-pressure common rail system, storing and distributing fuel to individual injectors. A correctly selected fuel rail allows for:

• maintaining stable fuel pressure across the entire load range of the diesel engine,
• precise fueling of injectors in each cylinder,
• limiting pressure fluctuations that can cause uneven engine operation,
• preserving correct combustion parameters, which contributes to engine smoothness and durability.

This component is crucial for the safety and reliability of the injection system, especially in modern BMW diesel units where operating tolerances are very demanding.

Compatibility with BMW N57 Engines

The presented fuel rail is designed to work with BMW N57 family diesel engines used in, among others, the E90, E92 LCI, F30, and F10 series. Using an original component from the same design family ensures:

• proper fit to the N57 engine head and ancillaries,
• compliance with the factory operating characteristics of the injection system,
• seamless integration with the engine control electronics of the diesel engine,
• preservation of factory performance parameters and fuel consumption.

This makes the fuel rail the right choice for professional repair or restoration of the original fuel system configuration in BMW vehicles with N57 engines.

Benefits of Using an Original Fuel Rail

Choosing an original fuel rail from the Injector Nozzles category for BMW offers a number of practical advantages in the daily operation of a diesel-powered car:

• stable common rail system operation – reducing the risk of power loss, jerking, and starting problems,
• better cooperation with injectors – uniform fueling of all cylinders,
• reduced risk of damage to ancillaries resulting from incorrect fuel pressure,
• maintaining factory exhaust emission parameters, which is important for inspections and diagnostics,
• easier fault diagnosis – the mechanic works with a known, factory solution.

This solution is particularly recommended for professional repairs of diesel injection systems, where parameter repeatability and compliance with BMW service documentation are important.

Condition, Verification, and Service Application

The fuel rail is offered as a used part, allowing for economical repair of the injection system while maintaining original BMW specifications. This type of component is often used in:

• repairs after injector or high-pressure pump failure,
• comprehensive diesel fuel system overhauls,
• restoring factory configuration after previous unsuccessful modifications.

Before installation, a standard diagnostic procedure for the injection system is recommended to confirm the correct operation of all components working with the fuel rail.

Technical Support and Educational Materials

When working with the common rail system in diesel engines, it is useful to know the typical symptoms of fuel system component wear. Detailed information on diagnostics and the consequences of neglect can be found in the article “Diesel Injector Faults – How to Recognize Them and What Their Neglect Entails”, which discusses symptoms, checking procedures, and the consequences of driving with a faulty injection system.

If you are looking for other components from the Injector Nozzles category dedicated to this brand, check out our offer for BMW injector nozzles, where you will find a wide selection of components for various models and generations.