Pressure Hose BMW E60 E65 X5 E70 E90 E92 M57N2 Pipe Assy Fuel Injector 7792947

BMW E60 E65 X5 E70 E90 E92 M57N2 Injector Rail Fuel Line is an original fuel system component designed for BMW diesel engines from the M57N2 family. It ensures a stable fuel supply to the injector rail, which translates into uniform injector operation and correct engine performance characteristics.

Specifications and technical data

• SKU: 7792947
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7792947
• Substitutable numbers: 13537792947, 7792947
• Category: Fuel Injectors

Purpose and Role in the Injection System

The BMW injector rail fuel line operates within a common rail system, connecting the fuel supply to the injector rail in M57N2 engines used in series such as E60, E65, X5 E70, E90, and E92. It is responsible for stable fuel pressure at the rail's inlet, which is crucial for precise fuel metering by the injectors.

This component works directly with parts from the injector nozzles category, influencing:

• correct fuel dose formation by the injectors across the entire load range,
• maintaining uniform cylinder operation at low and high RPMs,
• fuel rail pressure stability, which reduces the risk of jerking and power loss.

Construction and Fitment for M57N2 Engine

The offered fuel line is an OEM BMW part, specifically designed for the geometry and pressure requirements of the M57N2 engine's injection system. This means:

• factory fitment to the injector rail and other fuel system components,
• appropriate diameter and internal cross-section, ensuring proper fuel flow,
• retention of original mounting points, which facilitates installation and eliminates stress on connections.

Thanks to its construction compliant with manufacturer requirements, the fuel line works with the factory engine control unit calibration, without the need for software modifications.

Component Condition and Benefits of Using OEM Parts

The BMW injector rail fuel line comes from the used OEM parts group, allowing for the preservation of the original injection system specifications while optimizing service costs. Compared to low-quality aftermarket alternatives, an OEM part ensures:

• compliance with factory tolerances for fuel pressure and flow,
• secure fitment with the injector rail and mounting points in the engine bay,
• reduced risk of leaks and micro-leaks at connections.

This solution is particularly beneficial for servicing M57N2 units, where the correct operation of the injection system directly impacts driving comfort, performance, and fuel consumption.

Diagnostic Support and Technical Knowledge

When experiencing issues with the injection system, it's worth paying attention not only to the fuel lines but also to the injectors themselves. If you want to better understand the symptoms typical of faulty injectors, the consequences of neglecting them, and the basics of diagnostics, check out the article: Diesel Injector Failures – How to Recognize Them and What Their Neglect Threatens. This is a practical addition to your knowledge when planning fuel system repairs on a BMW with an M57N2 engine.

Other BMW Injector Nozzles and System Expansion

If you are assembling the entire fuel system or planning to replace a larger number of components, you may also need other parts from the same group. If you are looking for other BMW injector nozzles, check out the BMW injector nozzles available in our store to select a set of compatible components for your model.