BMW F20 F21 F22 F30 E31 LCI Diesel Exhaust Sensor PM 8582023

BMW F20 F21 F22 F30 E31 LCI Diesel Exhaust Sensor PM is a component from the Lambda probes and O2 sensors group, designed for BMW diesel systems. It enables precise monitoring of exhaust gas composition in diesel engines, supporting the proper operation of the exhaust treatment system and stable engine performance. This is a solution for users looking for a proven, original component with predictable operating parameters.

Specifications and technical data

• SKU: 8582023
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8582023
• Substitutable numbers: 13628582023, 8582023, 13628517184, 8517184
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

BMW F20 F21 F22 F30 E31 LCI Diesel Exhaust Sensor PM operates in the exhaust stream of a diesel engine, monitoring gas composition to maintain proper operating conditions for the exhaust treatment system. A properly functioning sensor of this type supports:

• maintaining appropriate combustion parameters in the diesel engine,
• stable operation of emission control systems,
• correct engine control unit response to load and temperature changes.

In BMW vehicles with diesel engines, such a component is important for maintaining compliance with emission standards and for smooth, predictable engine operation.

Compatibility and identification by numbers

The offered sensor belongs to the BMW OEM parts group, which means factory-fit compatibility with the electrical and mechanical installation in the corresponding models. Identification is based on the part number and available interchangeable numbers, allowing for precise selection of the component for a specific engine version and vehicle year. The presence of reference numbers also facilitates compatibility verification using manufacturer catalogs or the VIN number.

Operating characteristics in Diesel engines

The sensor has been designed to work with Diesel engines, where operating conditions in the exhaust system are more demanding than in gasoline engines. The appropriate design of the measuring element and resistance to temperature and exhaust composition allow for:

• stable parameter readings across a wide range of loads,
• cooperation with advanced engine control systems,
• maintaining proper operation of the exhaust treatment system over a long service life.

Thanks to this, the sensor can be used as a functional replacement for the factory-installed element in BMW vehicles from the appropriate model series.

Condition, origin, and service application

The element comes from the BMW parts group and is offered as a used component, which allows for an economical repair of the exhaust system while maintaining the original installation specification. This type of sensor is suitable both for standard replacement of a worn-out element and for diagnosing exhaust emission problems, uneven engine operation, or errors stored in the controller.

In workshop practice, using an original sensor from this group limits the risk of electrical and software compatibility issues, which is particularly important in modern BMW diesel units.

System expansion and selection of other elements

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional probes, exhaust gas composition sensors, or measuring elements in the exhaust system, check the available parts in the BMW Lambda probes and O2 sensors category.

When selecting used electronic and measuring elements, it is worth paying attention to their origin and compatibility with the specific engine version. Practical tips on choosing such components, including sensors used in modern control systems, can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.