BMW E82 E90 E91 E92 LCI Fuel Pressure Pipe Hose Line N55 Petrol 7547131

BMW E82 E90 E91 E92 N55 Fuel Pressure Hose 7547131 is a component of the gasoline fuel supply system, designed for BMW models with an N55 engine. Engineered as part of the original installation, it ensures stable fuel delivery under pressure in modern turbocharged units.

Specifications and technical data

• SKU: 7547131
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7547131
• Substitutable numbers: 13317547131, 7547131
• Fuel type: Petrol
• Category: Fuel Injectors

Application in N55 Engine

The presented pressure hose operates within the gasoline fuel supply system, working in conjunction with precise injector nozzles in the N55 engine. It is responsible for safely delivering fuel at the correct pressure to the fuel rail, which directly impacts the engine's smooth operation, power stability, and accurate mixture dosing.

Its dedication to the BMW E82, E90, E91, and E92 series with the N55 engine signifies perfect fitment with the factory engine bay geometry, wiring routing, and mounting points. This ensures the maintenance of the correct fuel flow path, minimizing the risk of stress, abrasion, and leaks during operation.

Construction and Technical Characteristics

The pressure hose has been constructed for operation in gasoline systems, which experience both high pressures and variable temperatures. The hose's design is adapted for:

• resistance to operating pressure typical of modern gasoline injection systems,
• dimensional stability under engine heating and cooling conditions,
• seal integrity with fuel injection system components, such as the fuel rail and injector nozzles.

The appropriately selected inner and outer diameter of the hose, along with factory-standard ends, allow for maintaining proper fuel flow and limiting pressure drops at critical points in the system.

Benefits of Using an Original Pressure Hose

Choosing an original pressure hose within the injector nozzles category for BMW with an N55 engine translates into a range of practical service and operational benefits:

• Factory Fitment – the hose is prepared for installation in specific BMW models, without the need for modifications or adapters.
• Stable Fuel Pressure – the correctly selected cross-section and construction of the hose support uniform injector operation, contributing to the maintenance of proper combustion parameters.
• Safe Fuel System Operation – appropriate resistance to operating conditions reduces the risk of fuel leaks, which is crucial for vehicle safety.
• Compatibility with Gasoline System – the hose is designed for use with gasoline fuel, ensuring material compatibility with the rest of the system.

Condition and Service Application

The offered fuel hose is used, making it an attractive solution for budget repairs, upgrades, or replacement of a damaged hose in an existing system. It is a practical option for users who wish to maintain the original fuel system architecture in their BMW while optimizing service costs.

An element of this type is particularly important for symptoms such as power loss, unstable idling, or the smell of fuel around the engine bay. In many cases, inspecting the condition of pressure hoses and injector nozzles allows for early detection of potential leaks and avoidance of more serious faults.

Diagnostics and Technical Knowledge

Although this hose operates in a gasoline system, the principles of diagnosing fuel supply components are similar to those for diesel units. It is worth familiarizing yourself with materials concerning the symptoms and consequences of improper injector operation – the article on diesel injector faults, their symptoms, and the consequences of neglect may be helpful, as it organizes the approach to diagnosing injection systems.

Related BMW Injector Nozzles

If your service plan includes replacing other components from the same group, it is worth checking the available BMW injector nozzles. You can find the full offer in this category at the following link: BMW injector nozzles, which will facilitate the selection of compatible components for your specific model and engine.