BMW E60 E90 91 LCI E70 E71 M57N2 Exhaust Temperature Sensor 7804758

BMW E60 E90 LCI M57N2 Exhaust Gas Temperature Sensor is an original part from the Lambda Sensors & O2 Sensors category, designed for precise monitoring of exhaust gas temperature in M57N2 engines. This used OEM component ensures reliable readings of the powertrain's operating parameters, contributing to stable engine control and exhaust system operation. It's a practical service solution for BMW owners seeking a proven sensor at a reasonable price.

Specifications and technical data

• SKU: 7804758
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7804758
• Substitutable numbers: 13627809154, 7809154, 13627804758, 7804758, 13627801159, 7801159
• Category: Oxygen Sensors

Purpose and Function of the BMW Exhaust Gas Temperature Sensor

The BMW E60 E90 LCI M57N2 Exhaust Gas Temperature Sensor operates within the exhaust system, responsible for real-time measurement of exhaust gas temperature. The data from the sensor is utilized by the engine control unit (ECU) to manage the combustion process and protect components exposed to high temperatures, such as exhaust system parts or emission control components. A properly functioning sensor helps maintain stable engine operating parameters, reduces the risk of overheating, and supports compliance with emission standards.

Benefits of Using an Original BMW Sensor

Using an original exhaust gas temperature sensor in an M57N2 engine offers a range of practical service and operational benefits:

• maintains correct compatibility with the factory BMW engine control unit,
• provides stable exhaust gas temperature readings across the full load range,
• reduces the risk of diagnostic errors related to the exhaust system,
• supports the proper functioning of the emission control system.

As a result, this sensor is a functional solution for diagnosing engine performance issues, power loss, or error messages related to exhaust gas temperature.

Product Condition and Installation Aspects

The offered part is in used condition, meaning it has been removed from a dismantled vehicle and was previously in operation in a BMW. This type of component is particularly attractive to users looking for parts with factory fitment while also aiming to reduce repair costs compared to purchasing a new unit. A used exhaust gas temperature sensor can be used as a replacement for a damaged part during standard servicing.

Prior to installation, standard servicing procedures are recommended, including checking connectors, wiring harness, and ensuring the sensor is correctly seated in the exhaust system. A properly executed replacement will restore accurate exhaust gas temperature readings and eliminate errors associated with sensor malfunction.

Selection by OEM and Interchangeable Numbers

This BMW exhaust gas temperature sensor has a dedicated OEM part number and associated interchangeable numbers, facilitating its identification and selection for specific vehicle configurations. When matching the part, it is advisable to use the part number and vehicle data to ensure full compatibility with the specific M57N2 engine version and the particular generation of BMW E60 or E90 LCI. If in doubt, comparing numbers with the currently installed sensor or verifying via VIN in the parts catalog is helpful.

If you are interested in other parts from the same functional group for vehicles of this brand, and wish to maintain consistency in the exhaust gas composition and parameter measurement system, check the available parts in the BMW Lambda Sensors & O2 Sensors category.

More About Used Electronics and Sensors in BMW

When choosing a used exhaust gas temperature sensor, it is beneficial to be aware of the basic principles of selecting and installing electronics and sensors in modern vehicles. Factors such as number compatibility, hardware and software versions, and correct installation procedures directly impact the subsequent trouble-free operation of the system. If you wish to deepen your knowledge on the rationale behind using used modules and sensors, how to select them by OEM numbers, and practical application examples, read the guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

Additionally, if you are interested in the environmental and cost-saving impact of using used components, you can explore the broader context of choosing parts from dismantling in the article: Circular Economy in Your Garage – How Choosing Used Dismantled Parts Truly Supports Environmental Protection and Your Wallet?

Summary

The BMW E60 E90 LCI M57N2 Exhaust Gas Temperature Sensor is a practical, original part from the Lambda Sensors & O2 Sensors category, designed for M57N2 engines in BMW E60 and E90 LCI models. This used sensor allows for the restoration of correct exhaust gas temperature monitoring, supports stable powertrain and exhaust system operation, and at the same time represents an economical service solution for informed BMW owners.