BMW 2 Series F45 F46 Diesel B37 B47 Fuel Feed Line Pipe Hose Filter 7301811

BMW 2 Series F45 F46 Diesel B37 B47 Fuel Feed Line Pipe Hose Filter is an original diesel fuel system component designed for installation in modern BMW B-series diesel engines. Precisely selected geometry and factory connectors ensure stable fuel delivery and proper integration with engine accessories. This is a practical solution for users looking to restore the correct operation of the fuel system while maintaining BMW factory standards.

Specifications and technical data

• SKU: 7301811
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7301811
• Substitutable numbers: 16117301811, 7301811
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and role in the fuel system

The offered line belongs to the Lines, hoses, and pipes category and is responsible for the safe delivery of diesel fuel in BMW B-family diesel engines. The design, tailored to B37 and B47 units, allows for maintaining proper fuel flow, which translates into stable injection operation, correct system pressure, and consistent engine performance.

The component has been designed for operation in conditions typical for diesel engines – taking into account vibrations, temperature fluctuations, and operating pressure. As a result, the line helps reduce the risk of leaks, power loss, or starting problems resulting from air in the fuel system.

Benefits of using an original BMW fuel line

Using an original fuel line in a diesel engine offers a number of practical technical benefits:

• preservation of the factory fuel routing and compatibility with engine bay mounts,
• properly selected diameter and internal cross-section, supporting correct diesel fuel flow,
• materials adapted for use with diesel fuel, reducing the risk of cracks and material hardening,
• consistency with other fuel system components, which facilitates diagnostics and service.

For the user, this means more predictable operation, easier maintenance of engine performance parameters, and the ability to perform service in accordance with the manufacturer's documentation. In the case of B37 and B47 units, this is of particular importance due to the precise nature of the injection systems.

Product characteristics and condition

The fuel line is an original BMW brand component, sourced from dismantling. As a used part, it retains its factory geometry and connector type, which facilitates installation in place of a worn or damaged line. This type of solution is often chosen by conscious users who want to maintain the integrity of the fuel system without resorting to unreliable aftermarket replacements.

Choosing an original, used fuel line allows for optimizing repair costs while maintaining high quality and fitment for specific generations of BMW diesel engines. It is a sensible option both for routine repairs and comprehensive fuel system service.

Professional installation and operation in diesel engines

Due to the specific nature of diesel engine operation, installation by an experienced service center is recommended to ensure proper routing of the line, correct connection of quick-release couplings, and leak testing after starting the engine. Proper installation minimizes the risk of micro-leaks, which in diesel engines can result in starting problems or power loss.

Regular inspection of the condition of fuel lines in diesel-powered engines is an important element of preventive maintenance. Replacing a worn component with an original BMW fuel line helps maintain stable injection system parameters and supports long-term, predictable vehicle operation.

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

To better plan repairs and maintain the favorable value of the vehicle for resale, it is worth checking out our guide: Original used parts vs. resale value – how not to lose money?.