AdBlue Tank BMW G20 Diesel SCR Additive Passive Reservoir Container 7454339

AdBlue Tank BMW G20 Diesel SCR Additive Passive Reservoir Container is an original exhaust emission reduction system component designed for diesel engine vehicles. The integrated tank with an SCR pump is responsible for the precise delivery of AdBlue solution to the exhaust system, which helps maintain the efficiency of the exhaust gas treatment system and compliance with emission standards. This is a practical solution for users who want to restore the proper operation of the SCR system in their BMW in a controlled manner.

Specifications and technical data

• SKU: 7454339
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7454339
• Substitutable numbers: 7454339, 16197454339
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the SCR system

The presented AdBlue tank with pump is a component of the selective catalytic reduction system in BMW G20 family models powered by Diesel fuel. It is responsible for storing the urea solution and its stable delivery to other system components, which enables effective reduction of nitrogen oxides in the exhaust gases. A properly functioning tank with a pump ensures uniform pressure in the system, which translates into stable engine operation and the absence of AdBlue-related error messages.

Construction and key technical features

The solution used in the AdBlue Tank BMW G20 Diesel SCR Additive Passive Reservoir Container combines the solution tank and the pump assembly in one housing, which facilitates installation and service. Using an original BMW part means maintaining factory connection geometry, proper fitment to body mounts, and compatibility with the factory electrical installation and exhaust system piping. As a result, the component can be integrated into the existing system without the need for structural modifications.

The pump system in this assembly is adapted to work with AdBlue solution within the vehicle's typical operating temperature ranges, and the tank design provides for proper fluid routing, which limits the risk of airlocks and supports stable dosing. Using a dedicated solution for diesel units allows for maintaining the performance parameters specified by the vehicle manufacturer.

Benefits of using an original tank with pump

Choosing an original SCR tank and pump assembly for a BMW offers a number of practical advantages:

• maintaining compatibility with the factory SCR control software,
• proper fitment to brackets and cable routing in the body,
• reducing the risk of leaks and system venting problems,
• stable AdBlue dosing, which helps maintain the efficiency of the SCR catalyst.

Thanks to this solution, it is possible to restore the proper operation of the emission reduction system in a controlled manner, which is important both for the durability of the power unit and for passing periodic technical inspections. Using an original component is a reasonable compromise between cost and maintaining the correct operating parameters of the system.

Condition, fitment, and service application

The offered component comes from the Fuel tanks and filler pipes group and is intended for reinstallation in BMW diesel vehicles equipped with an SCR system. As a used part, it is a practical service solution in the event of an AdBlue pump failure, tank damage, or problems with maintaining pressure in the system. Replacing the complete tank assembly with the pump often allows for faster troubleshooting than repairing individual sub-components.

Before installation, it is recommended to perform a standard diagnostic procedure of the fuel-dosing system and verify the tightness of the lines and the correct operation of sensors in the SCR system. A properly selected element, consistent with the manufacturer's markings, facilitates subsequent adaptation in the controller and reduces the risk of recurring faults.

Technical support and educational materials

When working on the AdBlue supply and dosing system, it is worth using reliable technical knowledge. Detailed information on the construction and operation of the fuel system, including tanks and pumps, can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where diagnostics, part selection by numbers, and principles of proper regeneration are discussed.

If you want to consciously approach the selection of aftermarket parts and check when used components are a reasonable service solution, the guide Renovation and repair of German cars: which used parts are worth buying and which are better to avoid? will be helpful, containing practical tips on selecting parts for German vehicles.

If you are planning a comprehensive repair or upgrade of the fuel and AdBlue solution supply and storage area in your BMW and need other elements from the same group, such as additional tanks, lines, or filler pipes, check the available parts in the BMW Fuel tanks and filler pipes category.