Fuel Line BMW F45 X1 F48 Mini F55 F56 B47 Diesel Return Pipe Hose 8514116

Fuel Line BMW F45 X1 F48 Mini F55 F56 B47 Diesel Return Pipe Hose is an original diesel fuel system component designed for modern BMW and Mini diesel engines. This specialized line from the Lines, hoses and pipes category ensures stable fuel delivery in the diesel engine, supporting the proper operation of the injection system. Thanks to its factory geometry and precise fitment for the specific B47 engine generation, this component allows for a precise and trouble-free replacement of a worn fuel system section.

Specifications and technical data

• SKU: 8514116
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514116
• Substitutable numbers: 8514116, 13538514116, 8579950, 13538579950, 8578630, 13538578630
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and compatibility with the B47 engine

The line has been designed for use in BMW F45 series, X1 F48, as well as Mini F55 and F56 models equipped with the B47 diesel engine. This means that its routing, connection diameters, and installation path are adapted to the engine bay architecture of these specific models. As a result, proper system sealing is maintained, and the risk of mechanical stress or incorrect line positioning is minimized.

Technical characteristics of the fuel line

As a component of the Diesel fuel supply system, the line operates under elevated pressure and temperature requirements. The hose construction is prepared for contact with diesel fuel, which minimizes the risk of material swelling, micro-cracks, or leaks over the long term. Properly selected connection ends enable a secure connection with other system components, such as the pump, rail, or other sections of the fuel installation.

In practice, this translates into:

• stable maintenance of fuel flow to the injection system,
• reduced risk of air entering the system,
• lower probability of leaks in the engine bay area,
• maintaining engine performance parameters in accordance with the manufacturer's specifications.

Benefits of using an original BMW line

Using a line from the BMW group allows for maintaining the structural integrity of the entire fuel system. Factory fitment means there is no need for modifications, custom end-fittings, or additional adapters, which is particularly important in the case of precise diesel systems. This used OEM component is also a reasonable compromise between cost and maintaining the vehicle's original technical specifications.

By choosing this line, you gain:

• a component consistent with the factory fuel system geometry,
• reduced installation time thanks to matched connections,
• maintenance of B47 engine performance at the proper level,
• a cost-effective solution compared to new replacements.

Condition, installation, and service application

The item comes from the used parts group, making it an attractive option for maintenance repairs and restoring the efficiency of the fuel system after a failure or leak. The line will prove useful both for spot replacement of a damaged section and for broader service work within the diesel engine supply system, e.g., after dismantling accessories or engine upgrades.

Due to the nature of the Diesel system, installation by a person with experience in fuel installations is recommended, with adherence to bleeding procedures and leak checks after starting the engine. This approach allows you to fully utilize the potential of the line and reduce the risk of subsequent leaks.

Fuel system expansion and additional information

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 additional line sections, flexible hoses, or rigid supply pipes, check the available parts in the BMW lines, hoses and pipes category.

For users who want to combine fuel system service with a more conscious approach to vehicle operation, reading an article about the benefits of reusing automotive components may be a valuable addition – you can find it here: Eco-driving: discover the benefits of used car parts.