BMW F20 F21 LCI Diesel B37 Exhaust Heat Temperature Sensor Probe 8573895

The BMW F20 LCI B37 Exhaust Gas Temperature Sensor is a component from the Lambda Sensors and O2 Sensors category, designed for BMW F20 facelift diesel engines. The original BMW design ensures proper cooperation with the exhaust system and engine control, which translates to stable engine operation and correct functioning of emission control systems.

Specifications and technical data

• SKU: 8573895
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8573895
• Substitutable numbers: 13628573895, 8573895, KZ
• Fuel type: Diesel
• Category: Oxygen Sensors

Application and Function in the Exhaust System

The exhaust gas temperature sensor in the B37 diesel engine is responsible for precise measurement of gas temperature in the exhaust system. Based on this data, the engine control unit adjusts fuel injection, turbocharger operation, and the diesel particulate filter regeneration strategy. A correctly functioning component helps maintain stable engine operating parameters, reduce excessive smoke, and support emission standards.

For BMW F20 LCI models, the use of a dedicated exhaust gas temperature sensor is crucial for:

• proper operation of the diesel exhaust aftertreatment system,
• maintaining optimal temperatures in the exhaust system,
• reducing the risk of exhaust component overheating,
• stable operation of the engine control unit under various load conditions.

Benefits of Using an Original BMW Sensor

Choosing an exhaust gas temperature sensor dedicated to the BMW F20 LCI B37 allows you to maintain the original engine operating parameters. An original component from the Lambda Sensors and O2 Sensors category ensures:

• accurate exhaust gas temperature readings, consistent with BMW control unit maps,
• compatibility with the factory wiring and electrical connector,
• appropriate operating characteristics within the typical temperature ranges for a diesel engine.

This reduces the risk of control unit errors, incorrect readings, and problems with diesel particulate filter regeneration. This is particularly important in modern diesel engines, where exhaust gas temperature sensors cooperate with numerous emission control systems.

Condition, Origin, and Fitment

The offered BMW exhaust gas temperature sensor is a used part from a dismantled vehicle, offering a cost-effective solution while maintaining original manufacturer specifications. For correct selection, it is recommended to verify by OEM number or vehicle VIN to ensure the sensor is fully compatible with the specific B37 engine version in the BMW F20 LCI.

A used OEM part is a sensible choice wherever maintaining the original system's operating characteristics is important, while also optimizing repair costs. For exhaust gas temperature sensors, this is particularly significant, as incorrectly chosen aftermarket parts can cause diagnostic errors and exhaust system malfunctions.

Professional Installation and Diagnostics

When replacing the exhaust gas temperature sensor in the BMW F20 LCI B37, it is advisable to ensure:

• correct unscrewing of the old component from the exhaust system,
• inspection of the mounting thread,
• proper routing of the cable and securing it in original clips,
• secure connection of the plug to the wiring harness.

After installation, computer diagnostics are recommended to clear any potential error codes and verify current exhaust gas temperature parameters. This confirms that the new sensor is operating within the correct range and cooperating with other system components.

Other BMW Lambda Sensors and O2 Sensors

If you also need other components from the sensors category for this manufacturer, check out the available BMW Lambda Sensors and O2 Sensors in our store to select a complete solution for your exhaust system.

More About the Advantages of Used Sensors and Electronics

If you want to learn how to safely choose used sensors and control modules, what to look for when selecting by OEM number, and how to assess compatibility with your car, check out our guide: Used Car Electronics – Why Choose Proven ECU Modules and Sensors. This is a practical addition to your knowledge when planning repairs or upgrades to your BMW's system.