BMW F40 F48 B47B B47D Fuel Additive Hose Diesel Metering Line SCR AdBlue 8580511

BMW F40 F48 B47B B47D Fuel Additive Hose Diesel Metering Line SCR AdBlue is a specialized line from the Lines, hoses and pipes category, designed for the fuel additive dosing system in BMW diesel engines. This component is responsible for the precise delivery of the medium within the SCR/AdBlue system, which directly impacts the stable operation of the exhaust gas treatment system and compliance with emission standards.

Specifications and technical data

• SKU: 8580511-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8580511
• Substitutable numbers: 8580511, 17128580511
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the diesel system

The presented fuel additive line is designed to work with Diesel engines in modern BMW models, including the F40 and F48 series with B47B and B47D units. It is responsible for the stable, controlled delivery of the medium to the selective catalytic reduction system, supporting the proper operation of the SCR/AdBlue system and the reduction of nitrogen oxide emissions.

The proper operation of this line is essential for:

• maintaining correct combustion parameters in the diesel engine,
• proper dosing of the additive across the entire load range,
• operational stability of the controller responsible for the exhaust gas treatment system.

Construction and technical characteristics

The line belongs to the Lines, hoses and pipes group, meaning it has been constructed to operate in the demanding environment of the engine bay and chassis. The design is adapted to the medium used in SCR/AdBlue systems, taking into account resistance to temperature, operating pressure, and contact with chemically active operating fluids.

As an original BMW component, the line is optimized for:

• precise fitment to factory mounts and routing within the vehicle body,
• compatibility with factory connectors and quick-release couplings of the dosing system,
• maintaining the required tightness during long-term operation.

Condition, fitment, and service application

The offered item is a used part, which in practice means an opportunity for an economical repair of the additive dosing system in BMW vehicles with diesel engines. Replacing the line is recommended in case of leaks, mechanical damage, corrosion of connectors, or issues with the proper flow of the medium in the SCR/AdBlue system.

The selection of the correct line should always be verified based on the OEM part number and interchangeable numbers in BMW service documentation, which helps avoid compatibility issues and ensures the proper functioning of the entire system.

Benefits of using an original BMW line

Using an original fuel additive line in a BMW diesel system translates into a number of practical service and operational benefits:

• Factory fitment – the line is designed for specific engine units and bodies, which facilitates installation and eliminates the need for modifications.
• Stable SCR/AdBlue system operation – proper flow of the medium supports the maintenance of appropriate exhaust emission parameters.
• Consistency with vehicle electronics – proper operation of the dosing system reduces the risk of errors appearing in the engine controller related to improper additive dosing.

This solution is particularly recommended for professional repairs of exhaust gas treatment systems in modern BMW diesel units, where compliance with factory specifications is crucial.

Additional information and technical materials

If you are planning a comprehensive repair or upgrade of the fuel and additive dosing area in your BMW and need other components from the same group, such as return lines, flexible supply hoses, or rigid medium-carrying pipes, check the available parts in the BMW lines, hoses and pipes category.

To better understand the impact of the fuel and additive dosing system condition on diesel engine performance, it is worth reading our guide: Diesel injector faults – how to recognize them and the risks of neglecting them. This will allow for more accurate diagnosis of symptoms and planning of service actions in vehicles with diesel engines.