BMW E90 LCI F10 Pressure Hose Set Fuel Injector Pipe Line Assy N57 Diesel

BMW E90 LCI F10 Fuel Injector Lines Pipes Kit N57 Diesel is an original set of fuel supply components designed for BMW diesel engines from the N57 family. The kit ensures precise delivery of diesel fuel to the injectors, which is crucial for stable engine operation and correct common rail pressure.

Specifications and technical data

• SKU: 7805424-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805424
• Substitutable numbers: 13537805424, 7805424, 7805425, 13537805425, 7797885, 13537797885, 7797886, 13537797886
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Injection System

The presented set of fuel injector lines and pipes is a component of the injector nozzles category for BMW cars with the N57 Diesel engine. It is responsible for a sealed and stable connection between the high-pressure rail and the injectors, which translates to even fuel delivery to each cylinder.

Properly selected injector lines are particularly important in modern diesel engines where the common rail system operates under very high pressure. Using an original set from the same BMW product line allows for maintaining factory engine operating parameters, reducing the risk of leaks, and ensuring consistent, predictable engine behavior across the full range of loads.

Benefits of Using an Original BMW Set

Using a set of injector lines from the original BMW system offers a number of practical advantages:

• Factory Geometry and Fit – the lines are designed for specific N57 units, which facilitates installation and minimizes stress on the fuel system.
• Stable Fuel Pressure – the appropriate diameter and shape of the pipes help maintain correct pressure in the common rail, promoting even injector operation.
• Reduced Risk of Leaks – precisely manufactured connection ends help maintain seal integrity, which is crucial for the safety and durability of the components.
• Consistency with Factory Calibration – original components work with the engine control unit maps prepared for the N57 injection system, facilitating the maintenance of correct combustion parameters.

Kit Characteristics and Service Application

The offered set of fuel injector lines is designed for BMW N57 Diesel engines used in models such as the 3 Series E90 LCI and 5 Series F10. The set is particularly useful for:

• Comprehensive Injector Replacement – when simultaneous replacement of high-pressure lines is recommended,
• Eliminating Fuel System Leaks – in case of signs of leakage or problems with maintaining pressure,
• Repairs After Injection System Failure – when there is a risk of damage or deformation to existing lines.

The used condition means that the components come from disassembly, allowing for economical repair while maintaining the original manufacturer's specifications. This is a particularly attractive solution for users who want to keep their car in line with the factory design while optimizing service costs.

Injection System Diagnostics and Technical Support

When experiencing problems with diesel engine operation – such as uneven idling, power loss, or increased fuel consumption – it is advisable to perform a full injection system diagnostic, covering both injectors and high-pressure lines. A detailed discussion of typical symptoms and possible consequences of neglect can be found in the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails.

Other BMW Injector Nozzles

If you are also looking for other components from the BMW injector nozzles category for your car, check out our dedicated offer: BMW injector nozzles. This will allow you to easily select compatible fuel system components within a single, consistent manufacturer's specification.

Summary

BMW E90 LCI F10 Fuel Injector Lines Pipes Kit N57 Diesel is a practical solution for users and workshops specializing in the service of BMW diesel engines. The original design, fit for the N57 unit, and the possibility of economical repair using a used set make it a sensible choice for work related to the injection system in E90 LCI and F10 models.