BMW 3 5 X6 Series F10 F30 F31 E71 N57 N57N Temperature Sensor Exhaust 8514730

BMW 3 5 X6 Series F10 F30 F31 E71 N57 N57N Temperature Sensor Exhaust is an original BMW component designed for precise monitoring of exhaust gas temperatures in N57 and N57N diesel engines. Accurate exhaust temperature readings are crucial for the proper operation of engine control systems and exhaust gas treatment systems, which translates into stable power, lower fuel consumption, and improved engine performance.

Specifications and technical data

• SKU: 8514730
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514730
• Substitutable numbers: 13628514730, 8514730, EM
• Category: Oxygen Sensors

Function and application of the exhaust temperature sensor

The exhaust temperature sensor in N57/N57N engines is responsible for real-time measurement of gas temperatures in the exhaust system and transmitting this data to the engine control unit (ECU). Based on this information, the ECU can:

• control the fuel injection process and air intake,
• manage the operation of emission control systems,
• protect exhaust system components from overheating.

Using a functional exhaust temperature sensor helps maintain stable engine performance, reduces the risk of entering limp mode, and supports compliance with emission standards.

Category: Lambda sensors and O2 sensors – role in the exhaust system

This element belongs to the Lambda sensors and O2 sensors group, which are components responsible for measuring exhaust parameters and transmitting them to the engine control unit. In practice, this means that the sensor works in conjunction with other measuring elements in the exhaust system, creating a coherent system for monitoring the combustion process. A properly functioning set of sensors allows for:

• more precise control of the fuel-air mixture,
• more efficient operation of filters and catalytic converters,
• reduced fuel consumption while maintaining appropriate driving dynamics.

Benefits of using an original BMW component

Choosing an original BMW exhaust temperature sensor ensures proper fitment with the electrical installation and the operating characteristics of the engine control unit. As a result:

• compatibility with the factory ECU software is maintained,
• the risk of diagnostic errors and warning lights is reduced,
• consistency of operating parameters with other exhaust system components is preserved.

This solution is particularly beneficial when servicing vehicles that are used intensively, where stable readings and predictable engine control system behavior are of great importance.

Product characteristics and condition

The offered sensor belongs to the group of used parts, which allows for an economical repair of the exhaust system while maintaining the original manufacturer's specifications. This type of component is a good choice in situations where you want to maintain the factory design of the installation without having to use replacements with uncertain parameters.

To better understand when it is worth reaching for used electronic and measuring elements in a car, including sensors, controllers, and modules, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding BMW exhaust system service

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 temperature sensors, measuring probes, or exhaust control elements, check the available parts in the BMW Lambda sensors and O2 sensors category.

Summary

BMW 3 5 X6 Series F10 F30 F31 E71 N57 N57N Temperature Sensor Exhaust is a functional measuring element that supports the proper operation of the engine and exhaust gas treatment systems in BMW vehicles. Using an original component from the Lambda sensors and O2 sensors group helps maintain stable engine performance, reduce the risk of failures related to exhaust system overheating, and preserve predictable vehicle behavior in daily operation.