BMW G30 LCI G20 G21 G22 G23 G26 G60 G61 Exhaust Gas Temperature Sensor 8478162

The BMW G30 LCI G20 G21 G22 G23 G26 G60 G61 Exhaust Gas Temperature Sensor is a precise exhaust system component responsible for accurately measuring exhaust gas temperature on the right side of the vehicle. A correctly selected sensor from the Lambda Sensors and O2 Sensors group supports proper engine control unit operation, a stable air-fuel mixture, and correct exhaust emission control. This solution is designed for users who expect proven, original BMW construction in an attractive used part form.

Specifications and technical data

• SKU: 8478162
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8478162
• Substitutable numbers: 11787558073, 7558073
• Location on the vehicle: Right
• Category: Oxygen Sensors

Function and Application of the BMW Exhaust Gas Temperature Sensor

The exhaust gas temperature sensor in BMW G-series models (G30 LCI, G20, G21, G22, G23, G26, G60, G61) operates directly in the exhaust gas stream, transmitting information about the current temperature to the engine control unit. This enables:

• monitoring the thermal load of exhaust system components,
• support for injection strategies and mixture selection,
• maintenance of stable engine unit operating parameters under various load conditions.

Its placement on the right side of the vehicle allows for precise temperature monitoring in a specific section of the system, which is crucial for the advanced control strategies used in modern BMW engines.

Benefits of Using an Original BMW Sensor

Using an original BMW exhaust gas temperature sensor provides a range of practical benefits for everyday operation:

• High Compatibility with the Factory Engine Control Unit – operating parameters are matched to the ECU software used in the mentioned BMW generations.
• Stable Measurement Signal – the sensor is designed to operate in high temperatures and varying load conditions.
• Reduced Risk of Diagnostic Errors – correct exhaust gas temperature readings decrease the likelihood of exhaust system-related errors.
• Improved Emission Control – accurate temperature readings support the operation of components responsible for pollutant reduction.

A used original part offers a sensible compromise between cost and maintaining factory operating parameters, especially in vehicles used intensively or with higher mileage.

Selection, Installation, and Compatibility

To select the correct exhaust gas temperature sensor for a specific BMW model, it is advisable to pay attention to compatibility with the body generation and exhaust system configuration. Comparing part numbers and verifying with the VIN in the manufacturer's catalog or parts selection systems is helpful.

During installation, it is important to:

• maintain the correct placement on the right side of the vehicle,
• properly tighten the component in the exhaust system socket,
• ensure a secure connection to the wiring harness without stressing the cable.

A sensor prepared in this way can be integrated into the existing system without requiring modifications to the installation, which facilitates service work and reduces vehicle downtime.

Used Condition and Practical Aspects

The presented BMW exhaust gas temperature sensor is offered as a used part, which allows for reduced repair costs while maintaining original construction. Such components are often chosen when compatibility with the factory control system and the ability to quickly replace a wear part are paramount.

If you have doubts regarding selection or interpreting symptoms (exhaust gas temperature errors, power loss, limp mode), it is worth consulting the practical tips in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. The article discusses, among other things, selection by part numbers, compatibility issues, and common user questions.

Related System Components and BMW Category Offer

If you are planning a comprehensive repair or upgrade of the mixture control and exhaust emission area in your BMW and need other components from the same group, such as lambda sensors, additional O2 sensors, or related measurement components, check the available parts in the BMW Lambda Sensors and O2 Sensors category.