BMW 5 6 F10 F11 LCI F12 F13 N47N N57 Fuel Return Line Pipe Hose Front 7205306

BMW 5 6 F10 F11 LCI F12 F13 N47N N57 Fuel Return Line Pipe Hose Front is an original component from the Lines, hoses and pipes group, designed for operation in the front section of the fuel system. Engineered for N47N and N57 engines, it ensures stable fuel return and proper circulation within the engine's supply system. This used OEM component is a solution for users seeking a proven part with factory geometry and fitment.

Specifications and technical data

• SKU: 7205306
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7205306
• Substitutable numbers: 16127205306, 7205306, BG
• Location on the vehicle: Front
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel return line in BMW 5 and 6 series models with N47N and N57 engines is responsible for draining excess fuel from the rail or injectors back to the tank. A correctly selected component:

• stabilizes pressure in the supply system,
• reduces the risk of air ingress,
• supports smooth engine operation under various loads.

Thanks to its factory fitment for the front of the vehicle, the line maintains the correct routing, which minimizes stress, vibrations, and potential leak points.

Compatibility with BMW 5 and 6 series

The element has been developed for BMW F10, F11 LCI, F12, and F13 platforms equipped with N47N and N57 diesel engines. This ensures:

• original line length and shape,
• correct positioning of mounts in the front body section,
• compatibility with factory quick-connectors and fuel system sockets.

Such fitment translates into trouble-free installation and eliminates the need for modifications or additional adapters.

Characteristics of the used OEM component

The offered fuel return line is an original BMW part in used condition, which allows for maintaining factory material and construction specifications. In practice, this means:

• retention of the original internal line diameter,
• compatibility with factory connectors and brackets,
• consistency with the fuel system operating parameters specified by the manufacturer.

A used OEM component is often chosen as a technically safe alternative to aftermarket replacements, especially in vehicles where maintaining stock engine performance parameters is crucial.

Benefits of using an original fuel return line

Using a fuel return line dedicated to specific BMW 5 and 6 series models provides a number of practical benefits:

• Factory fitment – no issues with length, bending radii, and mount positions.
• Stable fuel system operation – the line is designed to work with pressures and temperatures typical for N47N / N57 engines.
• Reduced risk of leaks – proper selection of diameters and connectors reduces the risk of fuel leaks.
• Consistency with other system components – the line works with factory components without the need for modifications.

Support for upgrades and additional materials

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 hoses, rigid pipes, or connecting sections, check out the available parts in the BMW lines, hoses and pipes category.

For owners of older 5 and 6 series models who want to consciously use used components and better plan their car's refurbishment, an article describing practical upgrade scenarios using second-hand parts may be helpful – you can find it here: The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.