BMW X1 E81 E87 LCI E90 118d 318d N47 Fuel Feed Line Pipe Hose

BMW E81 E87 LCI E90 118d 318d N47 Fuel Line Hose Pipe is an original part from the Lines, Hoses, and Pipes category, designed for the fuel system of BMW diesel engines from the N47 family. This is a practical solution for users who want to restore proper fuel flow in their car while maintaining the original performance characteristics of the engine.

Specifications and technical data

• SKU: 7800671
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7800671
• Substitutable numbers: 13537800671, 7800671, 13537800669, 7800669, 13538511813, 8511813, PM, 65138379567, 8379567
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Compatibility

The presented fuel line has been designed for BMW 1 Series and 3 Series models, including the E81, E87 LCI, and E90 versions with the N47 engine in the 118d and 318d variants. The construction of the line is adapted to the requirements of a Diesel injection system, allowing for safe fuel delivery under the correct pressure and maintaining the tightness of the entire fuel supply path.

The part comes from the Lines, Hoses, and Pipes group, making it optimized in terms of shape, diameter, and routing within the engine bay. Its appropriate profiling facilitates installation in original brackets and mounts, without the need for modifications to the system.

Construction and Function in the Fuel System

The fuel line is responsible for the stable and controlled delivery of diesel fuel between fuel system components such as the pump, rail, and injectors (depending on the specific configuration in a given model). The materials used are resistant to Diesel fuel and typical engine bay operating conditions, such as temperature changes and engine vibrations.

The appropriately selected inner diameter and geometry of the line help maintain proper flow parameters, which translates to:

• stable engine operation across the full load range,
• correct fuel dosing by the injection system,
• reduced risk of air ingress or pressure drops in the fuel line.

Benefits of Using an Original BMW Fuel Line

Using an original BMW fuel line to replace a worn or leaking part allows for the restoration of the fuel system's original operating parameters. This is particularly important in modern diesel engines, where the precision of fuel dosing directly impacts running smoothness, performance, and fuel consumption.

The most significant advantages of using this fuel line include:

• precise fit for the N47 engine in the 118d and 318d models,
• compatibility with factory mounts and system routing,
• maintenance of the original injection system's operating characteristics,
• reduced risk of fuel leaks and related malfunctions.

Condition and Service Application

This part is from a disassembly and is offered as a used BMW fuel line, which is a sensible solution for users looking for a part with factory specifications at a more favorable price than a new replacement. This type of component is particularly useful for fuel system repairs when the existing line shows signs of wear, cracks, corrosion on connectors, or leaks.

Replacing the fuel line is recommended, among other situations, when there are difficulties with starting, a noticeable fuel smell in the engine bay, or visible signs of leakage. Using an original part helps restore proper sealing and operational safety.

BMW Lines, Hoses, and Pipes – Selecting the Right Components

If you also need other fuel lines or components from the BMW Lines, Hoses, and Pipes category for your car, use the dedicated subpage where you will find a wide selection of components tailored to different models: BMW lines, hoses, and pipes.

For drivers interested in a broader perspective on operating used components, including powertrain parts and their associated sensors, a guide describing how to consciously choose used components and assess their technical condition may be helpful: guide to used differentials, sensors, and powertrains.