BMW F30 F31 LCI Tank AdBlue Filler Neck Pipe Plastic Tube Line Hose 7433646

BMW F30 F31 LCI Tank AdBlue Filler Neck Pipe Plastic Tube Line Hose is an original component of the AdBlue supply system, designed for 3 Series models after the facelift. Thanks to its factory-fit design, it ensures reliable fluid routing, leak-proof connections, and stable operation of the exhaust emission reduction system.

Specifications and technical data

• SKU: 7433646
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7433646
• Substitutable numbers: 7433646, 16197433646
• Category: Fuel Tanks & Filler Necks

Purpose and function in the AdBlue system

The described BMW F30 F31 LCI Tank AdBlue Filler Neck Pipe Plastic Tube Line Hose is responsible for the safe and controlled delivery of fluid from the filler neck to the tank. A properly selected hose minimizes the risk of leaks, facilitates system venting, and supports the stable operation of the exhaust gas cleaning system in diesel engines.

The component belongs to the Fuel tanks and filler pipes group, although in this case, it handles the AdBlue medium, working in conjunction with a dedicated tank and accessories. Proper routing of the hose is important both for ease of use (convenient filling) and for the durability of the entire system.

Construction and material properties

The pipe is made of plastic selected specifically for contact with AdBlue, which reduces the risk of chemical corrosion and deposits inside the hose. The hose construction is shaped to the specific geometry of the BMW F30/F31 LCI body, ensuring:

• stable routing of the line from the filler to the tank,
• appropriate bending radii,
• mounting points consistent with factory brackets.

Such a fit translates into trouble-free installation and a reduction in stresses that could otherwise cause leaks in the long term.

Benefits of using an original BMW component

Using an original AdBlue filler pipe in the BMW 3 Series F30/F31 LCI allows you to maintain consistency with the vehicle's factory design. You receive a component designed specifically for this model, which facilitates installation and reduces the need for modifications. This is particularly important in the case of exhaust emission-related systems, where tightness and proper fluid flow have a direct impact on system performance and diagnostic messages.

The used condition means that the item comes from disassembly, which in many cases represents a reasonable compromise between cost and maintaining the original quality of workmanship and fit characteristic of the BMW brand.

Part selection by numbers and integration with the fuel system

When selecting an AdBlue filler pipe for a specific BMW F30/F31 LCI configuration, it is crucial to compare the OEM part number and any interchangeable numbers with the vehicle documentation or the manufacturer's catalog. This allows you to avoid compatibility issues and ensures a proper fit with other system components.

If you want to better understand how the filler pipe works with other supply components, it is worth checking out the guide material describing the entire fuel path and tank. Practical tips on diagnostics, selection by VIN/OEM, and maintenance can be found in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration".

Comprehensive service of the supply zone in BMW

If you are planning a comprehensive repair or upgrade of the fuel and AdBlue supply zone in your BMW and need other elements from the same group, such as filler hoses, connectors, or tank components, check the available parts in the BMW fuel tanks and filler pipes category.

Summary

BMW F30 F31 LCI Tank AdBlue Filler Neck Pipe Plastic Tube Line Hose is a functional, original component of the AdBlue supply system, designed for the specific body and architecture of the 3 Series after the facelift. Precise fit, appropriately selected material, and compatibility with factory mounts make it a practical solution for repairs or upgrades to the emission reduction system in your BMW.