BMW E90 LCI F10 F20 F30 N47N Injector Pressure Hose Pipe 7810714

The BMW E90 LCI F20 F30 Injector Fuel Line N47N is an original component of the diesel engine's fuel system, designed for precise fuel delivery to the injectors. This product, from the injector nozzles category, ensures proper compatibility with the factory equipment of the N47N unit, contributing to stable engine operation and correct fuel dosage.

Specifications and technical data

• SKU: 7810714
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810714
• Substitutable numbers: 13537810714, 7810714
• Category: Fuel Injectors

Application and Role in the Injection System

The N47N injector fuel line is responsible for the safe and leak-free transfer of high-pressure fuel from the common rail to the injector nozzles. A correctly selected line minimizes the risk of pressure drops, leaks, and disruptions in injector operation, which directly impacts engine smoothness, dynamics, and fuel consumption.

The component is specifically designed for BMW engines from the N47N family, used in series such as E90 LCI, F20, and F30. This ensures the correct geometry, bore diameter, and mounting points. This design allows for installation in accordance with the manufacturer's factory guidelines, without the need for modifications to the fuel system.

Construction, Fitment, and Installation

As an OEM part, the injector fuel line offers a precise fit to the original seats in the rail and injector, facilitating installation and reducing the risk of stress on the system. The appropriately shaped line ensures:

• stable routing of the line within the engine bay, maintaining required clearances from other components,
• proper sealing of connections when the correct tightening torque is applied,
• maintenance of the required fuel pressure along the section from the rail to the injector.

Thanks to its factory-matched fit, the line can be installed to replace a worn or damaged component, preserving the original performance characteristics of the injection system.

Condition and Benefits of Using a Used Part

The offered injector fuel line is a used component, allowing for an economical repair of the fuel system while maintaining the original manufacturer's specifications. Choosing a part from a dismantled vehicle is particularly advantageous when full compatibility with the engine's factory equipment is desired, while also reducing service costs.

Using an original injector fuel line in good technical condition helps to mitigate common issues related to leaks, micro-cracks, or improper fuel flow, which can lead to injector malfunctions, power loss, or increased exhaust smoke.

Diagnostics and Preventive Maintenance of the Injection System

When replacing the injector fuel line, it is advisable to inspect the entire fuel system, including the tightness of connections, the condition of the common rail, and the injectors themselves. It may be helpful to consult the guide on symptoms and consequences of diesel injector failures – the article “Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails” discusses these in detail, allowing for better planning of service work.

Other BMW Injector Nozzles

If you are planning a broader upgrade of the fuel system during repairs, you may consider selecting other BMW injector nozzles tailored to your specific model and engine version. Browse the BMW injector nozzles available in our assortment to find a complete solution for your vehicle, ensuring component consistency throughout the system.

Summary

The BMW E90 LCI F20 F30 Injector Fuel Line N47N is a practical solution for owners of BMW diesel engines who want to restore proper injection system operation while maintaining factory parameters. A correctly selected and installed line supports stable fuel pressure, even fuel delivery, and predictable engine performance in daily use.