Temperature Sensor BMW E60 E61 E65 X3 E83 M57N2 Exhaust Gas 7795175

Temperature Sensor BMW E60 E61 E65 X3 E83 M57N2 Exhaust Gas is a precision exhaust system component designed for BMW Diesel engines, responsible for accurate exhaust gas temperature measurement and stable engine control system operation. A properly selected sensor supports the correct functioning of the exhaust emission control system, which translates into safe operation and predictable performance parameters of the power unit. This is a solution for users who expect a technically matched component compliant with BMW factory standards.

Specifications and technical data

• SKU: 7809155
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7809155
• Substitutable numbers: 13627809155, 7809155, 13627795175, 7795175, KD
• Fuel type: Diesel
• Category: Oxygen Sensors

Function and role of the exhaust gas temperature sensor in BMW

The exhaust gas temperature sensor in BMW diesel models is responsible for real-time measurement of gas temperatures in the exhaust system and transmitting this data to the engine control unit. Based on this information, the engine management system can appropriately adjust the fuel dose, diesel particulate filter regeneration strategy, and turbocharger operating parameters. A properly functioning sensor helps maintain stable torque characteristics, reduces the risk of overheating exhaust components, and supports compliance with emission standards.

Compatibility with BMW Diesel engines

The presented sensor has been designed for BMW Diesel units used in, among others, the 5 Series E60, 7 Series E65, and the X3 E83 model. This means it is matched in terms of measurement characteristics, temperature range, and the way it interacts with the factory engine control unit. In practice, this translates into:

• correct signal interpretation by the vehicle's electronics,
• stable exhaust system operation across a wide load range,
• reduced risk of exhaust temperature-related errors.

By maintaining factory measurement parameters, the sensor supports predictable vehicle behavior both in city driving and under prolonged highway loads.

Benefits of using an original BMW sensor

Choosing an exhaust gas temperature sensor dedicated to specific BMW models allows you to limit problems typical of replacements with imprecise characteristics. Key advantages include:

• consistency with the factory engine control software, which reduces the risk of incorrect readings and limp mode,
• a properly selected operating temperature range, essential for DPF regeneration and turbocharger protection,
• better measurement repeatability over a long service life, which promotes stable combustion parameters.

An exhaust system component configured in this way helps maintain a balance between performance, fuel consumption, and emission levels, which is particularly important in modern diesel engines.

Product characteristics and condition

The offered sensor belongs to the Lambda sensors and O2 sensors group, i.e., elements responsible for measuring gas parameters in the exhaust system. The product comes from the BMW brand range and is a component intended for re-installation in a vehicle, which allows maintaining consistency with the original exhaust system architecture. This type of solution is particularly attractive to users who want to maintain the factory configuration of the vehicle while optimizing service costs.

If you are considering using aftermarket components in the area of electronics and measurement elements, it is worth reading the practical tips contained in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, where issues such as the selection and verification of used components are discussed.

Expansion of the measurement system in BMW – related elements

In modern BMW diesel units, the exhaust gas parameter measurement system relies on the cooperation of several sensors, including lambda sensors and temperature sensors. The efficiency of each of them affects the operation of the other elements, which is why when diagnosing, it is worth considering the entire measurement path, not just a single component. In practice, this means that when replacing the exhaust gas temperature sensor, the condition of lambda sensors, wiring, and electrical connectors is often also analyzed.

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

Summary of application in BMW service

Temperature Sensor BMW E60 E61 E65 X3 E83 M57N2 Exhaust Gas is a technically matched exhaust system component designed for BMW diesel engines, which supports the correct operation of the engine control unit and the exhaust emission control system. Using a dedicated sensor allows you to reduce the risk of diagnostic errors, maintain stable engine performance parameters, and keep compliance with the vehicle's factory design assumptions. For users and workshops specializing in the BMW brand, this is a practical solution enabling effective repair or modernization of the exhaust system in vehicles with a Diesel engine.