BMW G20 G30 AdBlue Metering Nozzle Unit Diesel Engine B47D 220d 8580209

BMW G20 G30 AdBlue Metering Nozzle Unit Diesel Engine B47D 220d is an original component of the AdBlue dosing system, designed for modern BMW diesel engines. Precise control of the urea solution dosage allows for maintaining stable engine performance, reducing nitrogen oxide emissions, and ensuring compliance with strict emission standards. Thanks to its factory design, the AdBlue Metering Nozzle Unit works with the vehicle's electronics without the need for any system modifications.

Specifications and technical data

• SKU: 8580209-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8580209
• Substitutable numbers: 8580209, 11788580209
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function of the AdBlue Metering Nozzle Unit

The AdBlue Metering Nozzle Unit in the B47D 220d diesel engine is responsible for the precise delivery of the agent into the exhaust system, specifically in the area of the SCR catalytic converter. Accurate atomization of the urea solution enables effective reduction of nitrogen oxides, which translates into stable operation of the exhaust gas treatment system and correct functioning of the onboard diagnostic system. A properly functioning component of this type helps maintain the full efficiency of the exhaust system and reduces the risk of the engine entering limp mode.

Construction and integration with the Lines, hoses and pipes system

The offered nozzle is part of the Lines, hoses and pipes group, working in conjunction with the installation that delivers AdBlue to the exhaust system. The design provides for compatibility with factory pressure lines and connectors used in BMW G20 and G30 models, which facilitates installation and ensures the tightness of the entire agent delivery path. Proper matching of geometry and mounting points reduces stress on the lines and minimizes the risk of leaks during long-term operation.

Benefits of using an original BMW component

Using an original AdBlue Metering Nozzle Unit in the B47D 220d diesel engine allows for maintaining the consistency of the entire exhaust gas treatment system with the factory engine control unit settings. Key advantages include:

• maintaining correct AdBlue dosing across the full range of engine loads,
• stable operation of the SCR catalytic converter and reduction of the risk of errors in the controller memory,
• compatibility with the existing line and hose installation without the need for modifications,
• maintaining the factory performance characteristics of the BMW diesel engine. As a result, replacing a worn-out part with an original component allows for restoring the correct parameters of the exhaust system and maintaining predictable vehicle behavior in daily use.

Condition, verification, and application in Diesel engines

The offered AdBlue Metering Nozzle Unit is a secondary market component, which allows for an economical repair of the agent injection system in BMW cars with a Diesel engine. Before installation, it is recommended to verify the tightness of the connections and check the correct operation via computer diagnostics to confirm proper interaction with the engine control system. A properly selected and functional nozzle reduces the risk of AdBlue system error messages and unplanned vehicle downtime.

Expansion of the AdBlue system in BMW – related components

If you are planning a comprehensive repair or upgrade of the AdBlue system area in your BMW and need other elements from the same group, such as supply lines, flexible hoses, or rigid supply pipes, check the available parts in the BMW Lines, hoses and pipes category. For a broader perspective on the importance of original components in maintaining the brand's character and driving parameters, it is worth reading an article describing the impact of used parts on maintaining the factory specifications of Audi vehicles – you can find it here: Audi and emotions in their purest form – how used parts help maintain the brand's DNA.