Injection Pipe BMW E70 E90 LCI F10 F33 N55 Fuel Line Pressure Rail Injector

BMW E90 F10 N55 Gasoline Fuel Line is an original fuel supply system component designed for N55 gasoline engines in BMW 3 Series E90 and 5 Series F10 models. Thanks to its factory geometry and correct line diameter, it ensures stable fuel pressure and proper flow to the injector rail. A used OEM component is a sensible choice for drivers who want to maintain compliance with factory specifications while optimizing repair costs.

Specifications and technical data

• SKU: 7576778
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7576778
• Substitutable numbers: 13537576778, 7576778
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and Role in the Fuel System

The fuel line in an N55 gasoline engine is responsible for safely and securely delivering fuel from the supply system to the injection components. In turbocharged units like the N55, flow stability and the line's resistance to operating pressure are crucial for:

• maintaining the correct fuel dose under various engine loads,
• ensuring smooth engine operation,
• reducing the risk of power drops and jerking during acceleration,
• preserving correct combustion parameters and exhaust emissions.

Choosing a line dedicated to a specific type of gasoline engine helps avoid problems with mismatched diameters, shapes, or connectors, which is particularly important in modern injection systems.

Benefits of Using an Original BMW Fuel Line

Using an original BMW fuel line to replace a worn or leaking component translates into tangible operational benefits. The most important include:

• factory fit for the N55 engine's fuel system,
• maintaining the fuel flow characteristics designed by the manufacturer,
• compatibility with existing connectors and mounting points in the engine bay,
• reducing the risk of fuel leaks at critical points in the system.

By choosing a used OEM part, the driver receives a component that is consistent with the vehicle's design, which facilitates installation and helps maintain the integrity of the entire supply system.

Technical Characteristics and Installation

The fuel line is designed for operation in a gasoline engine fuel supply system, where it must meet the pressure and temperature requirements typical for N55 units. The line's construction includes a properly shaped tube and connectors matched to factory nipples, which allows for:

• installation without the need for system modifications,
• maintaining the original routing of the line in the engine bay,
• proper fuel delivery with minimal risk of kinks or abrasions.

Before installation, it is recommended to check the tightness of the entire fuel system and verify the condition of other supply components to avoid secondary faults after replacing the line.

Why Choose a Used OEM Part

A used BMW fuel line is a solution that combines compliance with factory specifications with reduced service costs. Compared to aftermarket alternatives of uncertain origin, an original component offers:

• proven fit for the specific model and engine,
• maintenance of factory geometry and mounting points,
• a lower risk of installation problems and leaks.

If you want to better understand how to wisely use the used parts market and where to find real savings while maintaining safety, it's worth reading the guide: Rising Repair Costs vs. the Boom in Used Parts – How to Save on Car Service?.

BMW Fuel System Expansion

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other parts from the same group, such as additional lines, flexible hoses, or rigid supply pipes, check the available parts in the category BMW Lines, Hoses, and Pipes.