BMW F36 G20 G22 G80 G82 LCI Lambda Probe Sensor Petrol 9454704

BMW F36 G20 G22 G80 G82 LCI Oxygen Sensor Petrol is an original part from the Oxygen Sensors and O2 Sensors group, designed for the latest generation of BMW petrol engines. The precise exhaust gas composition sensor ensures correct operation of the injection system, a stable fuel-air mixture, and proper interaction with the engine control electronics.

Specifications and technical data

• SKU: 9454704
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9454704
• Substitutable numbers: 9454704, 11789454704
• Fuel type: Petrol
• Category: Oxygen Sensors

Purpose and Role in BMW Petrol Systems

The oxygen sensor in a BMW petrol engine is responsible for continuously measuring the oxygen content in the exhaust gases and transmitting the signal to the engine control unit. Based on this, the ECU corrects the fuel dosage, which helps maintain the mixture within the optimal range, reduce fuel consumption, and ensure efficient catalyst operation.

In facelifted (LCI) models of the F36, G20, G22, G80, and G82 series, a properly functioning O2 sensor is crucial for:

• stable idle speed and smooth throttle response,
• maintaining power and torque according to factory specifications,
• meeting emission standards and avoiding errors in the control unit's memory,
• protecting the catalytic converter from overheating and premature wear.

Advantages of Using an Original BMW Oxygen Sensor

Using an original oxygen sensor from the same product group as the factory-fitted part ensures correct electrical parameters and operating characteristics matched to the control unit's software. This leads to:

• the engine control unit receiving a reliable, repeatable signal from the sensor,
• predictable fuel-air mixture adaptations,
• a reduced risk of recurring errors related to the oxygen sensor system,
• maintained compatibility with factory ignition and injection maps.

This solution is particularly beneficial for modern BMW petrol units, where the precision of exhaust gas composition measurement directly impacts the smoothness of operation, performance, and durability of the components.

Product Characteristics and Condition

The offered oxygen sensor belongs to the group of OEM parts used in BMW petrol engines, ensuring proper fit with the electrical harness and correct interaction with the factory control unit. The product is used, allowing for an economical replacement of a damaged sensor while maintaining compliance with factory specifications.

For modern BMW petrol units, using the correct O2 sensor is particularly important when diagnosing issues such as increased fuel consumption, uneven idling, or appearing exhaust emission errors. Replacing it with a functional part from the same component family is often the simplest and most predictable way to restore proper system operation.

Selection by OEM Number and Electronic Compatibility

When selecting an oxygen sensor for BMW F and G series, matching the OEM number and ensuring compatibility with the engine control unit software are crucial. In practice, this means paying attention to the manufacturer's markings, engine version, and fuel type – in this case, dedicated for petrol units.

To better understand the principles of selecting used sensors and electronic modules, it is worth consulting the Global Parts guide: Used Car Electronics – How to Safely Select Second-Hand ECU Modules and Sensors. The article discusses, among other things, selection by OEM number, hardware and software compatibility issues, and practical installation examples.

Expanding the BMW Exhaust Measurement System

If you are planning a comprehensive repair or upgrade of the exhaust system and emission control area in your BMW and need other parts from the same group, such as additional upstream sensors, downstream sensors, or O2 sensors for other cylinder banks, check the available parts in the BMW Oxygen Sensors and O2 Sensors category.

This allows you to replace several related components in a single service stage, which simplifies diagnostics, reduces vehicle downtime, and increases the likelihood of permanently resolving issues related to the fuel-air mixture and exhaust emissions.