BMW F10 F11 LCI N47N N57 N57N Fuel Return Line Pipe Hose Rear 7205307

BMW F10 F11 LCI N47N N57 N57N Fuel Return Line Pipe Hose is an original fuel system component designed for installation in the rear section of BMW 5 Series F10/F11 LCI (facelift) vehicles. Thanks to its factory geometry and precise diameter, it ensures stable fuel flow and proper integration with other system components. This solution is dedicated to N47N, N57, and N57N engines, allowing for structural consistency with the original factory design.

Specifications and technical data

• SKU: 7205307
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7205307
• Substitutable numbers: 16127205307, 7205307, BG
• Location on the vehicle: Rear
• Category: Hoses, Lines & Pipes

Purpose and compatibility for BMW F10/F11 LCI

The presented fuel line is designed for BMW 5 Series F10 and F11 models after the LCI facelift, equipped with N47N, N57, and N57N engine families. Its location in the rear of the vehicle means it is responsible for the section of the fuel system operating in the immediate vicinity of the fuel tank, where correct bending radii, vibration resistance, and connection tightness are crucial.

By maintaining the original design specifications, the line works with factory mounts and connectors, which facilitates installation and reduces the risk of material stress. This is particularly important in rear-wheel-drive vehicles, where space in the rear undercarriage area is precisely managed.

Technical and functional characteristics

As an element from the Lines, hoses, and pipes category, the fuel hose is responsible for the safe and controlled routing of the working medium between individual fuel system components. The construction of the line is adapted to work with fuel used in BMW diesel engines, taking into account:

• resistance to operating pressure in the given section of the system,
• dimensional stability at varying operating temperatures,
• resistance to vibrations transmitted from the body and suspension,
• proper routing along the original installation path.

The location in the rear zone of the vehicle requires the line to be properly formed and adapted to operate under conditions exposed to road debris and moisture. Using an original solution allows for maintaining factory flow parameters and minimizes the risk of leaks.

Benefits of using an original BMW fuel line

Using a fuel line dedicated to specific BMW F10/F11 LCI engine and body versions brings a number of practical service benefits:

• Precise fit – no need for modifications, cutting, or adjusting universal hoses.
• Consistency with the factory fuel system design – maintaining original mounting points and line routing.
• Reduced risk of fuel leaks due to the correct profile and compatible connectors.
• Easier diagnostics and future service, as the system remains compliant with the manufacturer's documentation.

The used element allows for an economical repair while maintaining the original specification, which is particularly important for advanced power units such as the N47N, N57, and N57N.

Installation zone – rear of the vehicle

The fuel line installed in the rear of the vehicle operates in an area with increased requirements for mechanical resistance. In this region, there are:

• variable loads resulting from suspension operation and body movement,
• contact with water, road salt, and contaminants,
• proximity to chassis structural elements.

Selecting the correct line for this zone has a direct impact on the safety of the fuel system operation and engine stability, especially during dynamic driving and full vehicle load.

Practical service application

Replacing the fuel line in the rear of a BMW F10/F11 LCI is recommended, among other things, if signs of corrosion on connectors, micro-cracks, abrasions, or leaks are found. Using an original element from the same design group allows for restoring the proper operation of the fuel system without interfering with its design. This solution is particularly beneficial for workshops specializing in the BMW brand and users who care about maintaining the factory configuration of the vehicle.

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 flexible hose sections, rigid pipes, or connectors, check out the available parts in the BMW Lines, hoses, and pipes category.

For users considering a wider range of work on the power unit, including the potential replacement of the engine with a used one, a practical service guide may be helpful – more information can be found in the article Buying a used engine: 5 things you must check before installation.