BMW F20 F21 F30 F31 LCI B47 Diesel Exhaust Gas Pressure Sensor 8514019

BMW F20 F21 F30 F31 LCI B47 Diesel Exhaust Gas Pressure Sensor is a precision exhaust system component designed for BMW F-series diesel engines with the B47 unit. It is responsible for the accurate measurement of exhaust gas pressure, which allows the engine control unit to ensure the proper operation of the exhaust gas treatment system and stable power characteristics. By using an original BMW solution from the Lambda sensors and O2 sensors category, compliance with the factory operating parameters of the powertrain is maintained.

Specifications and technical data

• SKU: 8514019
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514019
• Substitutable numbers: 8514019, 13628514019
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The presented exhaust gas pressure sensor works with a Diesel engine and is an element of electronic monitoring of the flow and pressure of gases in the exhaust system. Its task is to transmit precise information about the current pressure to the engine control unit, which enables:

• proper control of the combustion process in the B47 unit,
• efficient operation of the exhaust gas treatment system,
• maintenance of stable power and torque parameters,
• reduction of the risk of the engine entering limp mode due to incorrect readings.

As a result, the sensor is an important element for maintaining the correct operation of the exhaust system and compliance with emission standards in BMW F20, F21, F30, and F31 models after the facelift (LCI).

Compatibility with BMW F-series models

BMW F20 F21 F30 F31 LCI B47 Diesel Exhaust Gas Pressure Sensor has been designed with a specific family of BMW models in mind, which translates into a proper fit for the factory installation. The appropriate connection geometry and electrical characteristics allow for seamless integration with the wiring harness and engine control unit in 1 and 3 series vehicles of the F generation after modernization.

Selecting a component from the same product group as the original BMW equipment reduces the risk of communication errors with the ECU, adaptation problems, and incorrect diagnostic readings. This solution is particularly beneficial for professional exhaust system repairs in cars with the B47 engine.

Performance characteristics and advantages of use

As an element from the Lambda sensors and O2 sensors group, the exhaust gas pressure sensor operates in a demanding environment of high temperature and variable pressure. The design provided by BMW ensures adequate resistance to operating conditions and stability of the measurement signal. The use of this type of sensor allows you to:

• maintain proper cooperation with the on-board diagnostic system,
• maintain consistency of readings with other sensors in the exhaust system,
• minimize the risk of errors related to exhaust gas pressure,
• maintain predictable vehicle behavior during acceleration and operation under load.

For workshops specializing in the BMW brand, the use of an original solution of this type is beneficial both in terms of repair quality and subsequent computer diagnostics.

Component condition and installation aspects

The offered sensor is in Used condition, which means it comes from disassembly and has been verified for suitability for further use. This type of part is a good choice when you want to maintain the factory BMW specification while optimizing repair costs.

During installation, it is recommended to:

• check the condition of the pipes supplying exhaust gases to the sensor,
• inspect electrical connectors for corrosion and mechanical damage,
• perform computer diagnostics after replacement to verify readings.

This approach allows you to fully utilize the potential of the sensor and reduce the risk of repeated service interventions.

Expansion of the measurement system in BMW

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 oxygen sensors, control probes, or measurement elements in the exhaust system, check the available parts in the BMW Lambda sensors and O2 sensors category.

When selecting used electronic components, such as sensors in the exhaust system, it is worth following proven diagnostic procedures and selection principles. Practical tips on choosing and verifying this type of component can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.