BMW F10 F11 Diesel Fuel Feed Line Tube Pipe Hose N47S1 8509229

BMW F10 F11 Diesel Fuel Feed Line Tube Pipe Hose N47S1 is an original diesel fuel system component designed for BMW diesel engines from the N47S1 family. Thanks to its precise fit to the factory installation, it ensures stable fuel delivery and proper cooperation with other components of the injection system. This is a solution for users who expect consistency with factory specifications and want to maintain a fuel system design that complies with the manufacturer's original project.

Specifications and technical data

• SKU: 8509229
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8509229
• Substitutable numbers: 8509229, 13538509229
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The feed line in BMW diesel engines is responsible for transporting diesel fuel from the supply system to other parts of the installation. In N47S1 units, the proper operation of the line is essential for:

• maintaining adequate fuel flow under various engine loads,
• stability of pre-pressure in the supply system,
• reducing the risk of air ingress and power drops,
• maintaining the correct operating culture of the diesel unit.

Selecting a line dedicated to a specific type of diesel engine helps to minimize problems with the compatibility of shape, diameter, and routing within the engine bay.

Construction and fitment for BMW F10/F11

The line belongs to the group of components referred to as Lines, hoses, and pipes, which means it has been designed to work in the engine bay environment, taking into account temperature, vibrations, and contact with diesel fuel. In practice, this translates into:

• geometry adapted for routing in the F10/F11 body,
• mounting points and bends designed by the manufacturer,
• compatibility with factory fuel system connectors.

The original BMW origin helps maintain consistency with other fuel system components, which is important when servicing premium class vehicles.

Performance characteristics of the Diesel fuel line

The component has been prepared for use with Diesel fuel, which means it is adapted to the properties of diesel oil, including its viscosity and chemical impact. A properly selected fuel line in a diesel engine helps to:

• maintain the tightness of the supply system at typical operating pressures,
• minimize the risk of fuel leaks in the engine bay area,
• maintain correct engine performance parameters over a long period of operation.

For users of the BMW F10/F11 with the N47S1 engine, using a line dedicated to diesel fuel is crucial for the durability and predictability of the system's operation.

Condition, origin, and assembly aspects

The offered fuel line comes from the BMW parts group and is a used component, which allows for economical repair while maintaining the original system design. In practice, this means the possibility of:

• replacing a damaged or leaking line with a component featuring factory fitment,
• reducing the need for modifications to the fuel installation,
• maintaining compliance with factory fuel line routing in the engine bay.

Before installation, it is recommended to perform a standard leak check and verify the connectors for proper fitment with the existing installation in the vehicle.

Part selection by numbers and additional materials

The fuel feed line for the BMW F10/F11 with the N47S1 engine has an assigned OEM part number and interchangeable numbers, which facilitates precise identification and selection for a specific vehicle configuration. In case of doubt, it is worth using the manufacturer's markings or catalog data to avoid compatibility issues.

If you are interested in a broader context of selecting components by OEM numbers, compatibility, and practical assembly aspects, a guide on used modules and sensors may be helpful – you can find it in the article Used automotive electronics – a guide to selection by VIN and OEM, which discusses, among other things, the principles of working with manufacturer markings and compatibility issues.

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other elements from the same group, such as feed lines, return lines, or flexible fuel pipe sections, check the available parts in the category BMW lines, hoses, and pipes.