BMW G20 G21 G30 G31 G32 Diesel Exhaust Gas Pressure Sensor 8579973

BMW G20 G21 G30 G31 G32 Diesel Exhaust Gas Pressure Sensor is a component from the Lambda probes and O2 sensors group, designed for BMW diesel systems. It is responsible for the precise measurement of exhaust gas pressure in the diesel engine, which supports the proper operation of the controller and stable performance parameters of the power unit.

Specifications and technical data

• SKU: 8579973
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8579973
• Substitutable numbers: 8579973, 13628579973
• Fuel type: Diesel
• Category: Oxygen Sensors

Function and application of the exhaust gas pressure sensor

The exhaust gas pressure sensor in a diesel engine monitors the load on the exhaust system and transmits data to the engine controller. Based on this information, the ECU corrects the fuel dosage, turbocharger operation, and exhaust gas treatment regeneration strategy, which helps maintain stable power and proper engine performance.

In BMW G-series vehicles, such as the G20, G21, G30, G31, or G32 with a diesel engine, a properly functioning exhaust gas pressure sensor is essential for maintaining appropriate dynamics, reducing smoke, and keeping emission parameters within the limits specified by the manufacturer.

Benefits of using an original BMW sensor

Using an original sensor from the Lambda probes and O2 sensors group ensures a proper fit for the electrical installation and exhaust system of a specific BMW model. As a result, the controller receives a signal with the correct characteristics, which reduces the risk of diagnostic errors and incorrect fuel dosage corrections.

The main advantages of installing an original exhaust gas pressure sensor in a diesel engine include:

• maintaining the factory performance characteristics of the power unit,
• stable cooperation with the engine controller software,
• reduced risk of errors related to the exhaust system,
• easier diagnostics during subsequent service inspections.

Product characteristics and installation

The offered sensor is a component intended for Diesel engines in selected BMW G-series models. Its design is adapted to the conditions prevailing in the exhaust system, including high temperature and variable exhaust gas pressure, which allows for long-term, repeatable operation under typical operating conditions.

During installation, it is recommended to:

• check the condition of the lines supplying exhaust gases to the sensor,
• verify electrical connectors for corrosion and damage,
• perform adaptation or clear errors in the controller after replacement, in accordance with the BMW service procedure.

This approach facilitates the restoration of correct system operating parameters and reduces the risk of recurring error messages related to exhaust gas pressure.

Product condition and selection by numbers

The presented exhaust gas pressure sensor is a used component, which allows for an economical repair of the exhaust system while maintaining the original BMW specification. Before installation, it is worth verifying compatibility with the vehicle based on the OEM part number and interchangeable numbers, as well as the manufacturer's catalog data.

If you want to better understand how to safely choose used modules and sensors, including engine electronics components, the Global Parts guide will be helpful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Related elements from the same group

If you are planning a comprehensive repair or upgrade of the exhaust system area in your BMW and need other components from the same group, such as additional oxygen sensors, control probes, or pressure sensors at other points in the system, check the available parts in the BMW Lambda probes and O2 sensors category.

Summary

BMW G20 G21 G30 G31 G32 Diesel Exhaust Gas Pressure Sensor is a solution designed for BMW diesel engines that supports the proper operation of the controller and exhaust system. Proper selection and correct installation of this component help maintain stable engine performance parameters, reduce the risk of diagnostic errors, and ensure predictable vehicle behavior in daily operation.