BMW G20 G30 G31 AdBlue Metering Unit SCR Nozzle 330d 530d B57 Diesel 8580210

BMW G20 G30 G31 AdBlue Metering Unit SCR Nozzle 330d 530d B57 Diesel is an original exhaust emission reduction system component, designed for BMW 3 and 5 series diesel engines. As a part from the Lines, hoses and pipes group, it is responsible for the precise delivery of AdBlue solution to the SCR catalytic converter, which supports compliance with strict emission standards. This solution helps maintain stable operation of the B57 power unit and proper functioning of the exhaust gas treatment system.

Specifications and technical data

• SKU: 8580210-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8580210
• Substitutable numbers: 8580210, 11788580210
• Fuel type: Diesel
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function of the AdBlue SCR nozzle

The presented AdBlue nozzle is a component of the selective catalytic reduction system in BMW diesel vehicles. Its task is to:

• accurately dose the AdBlue solution into the exhaust gas stream,
• work with the SCR catalytic converter to reduce nitrogen oxides,
• maintain correct engine operating parameters in low-emission mode,
• reduce the risk of the power unit entering limp mode due to AdBlue system errors.

Thanks to the proper operation of this component, the exhaust system maintains appropriate efficiency, and the vehicle meets the emission requirements for modern diesel engines.

Construction and role in the Lines, hoses and pipes system

The AdBlue nozzle works with the lines that transport the agent from the tank to the exhaust system. As a part from the Lines, hoses and pipes group, it is integrated into the installation that transports the urea solution under appropriate pressure. Proper connection with the lines ensures:

• leak-free flow of the working medium,
• stable pressure in the dosing system,
• proper atomization of AdBlue in the exhaust stream.

This element is designed to operate in demanding thermal and chemical conditions, typical for the exhaust system zone in diesel engines.

Benefits of using an original BMW component

Using an original AdBlue nozzle in BMW G20 and G30 models with the B57 engine brings a number of practical benefits:

• Proper cooperation with vehicle electronics – the component is adapted to the factory engine control unit and the logic of the SCR system operation.
• Appropriate flow and spray parameters – design matched to the characteristics of the 330d and 530d power units.
• Reduced risk of diagnostic errors related to the AdBlue system.
• Maintenance of factory exhaust emission values for the diesel engine.

For users who want to maintain the consistency of the exhaust treatment system with the manufacturer's solutions, choosing such a component is technically justified.

Condition, installation and operation

The offered nozzle comes from a Diesel-powered vehicle and is classified as a used part. Before installation, it is recommended to perform a standard verification of the AdBlue installation, including lines, hoses and pipes, for leaks and potential contamination. Properly performed installation allows to:

• restore the correct operation of the SCR system after a failure of the previous nozzle,
• limit error messages related to AdBlue dosing,
• maintain stable engine operating parameters across the full load range.

Due to the nature of the nozzle's operation, it is important to use an appropriate quality AdBlue solution and regularly check the condition of the entire installation.

Expansion of the system in the BMW Lines, hoses and pipes category

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 flexible supply lines, rigid transport pipes, or connecting hose sections, check the available parts in the BMW Lines, hoses and pipes category.