BMW 1 3 5 Series E60 E87 E90 M57N M47N2 Exhaust Temperature Sensor 7795166

The BMW E60 E90 M57N M47N2 Exhaust Gas Temperature Sensor is an original part from the Lambda Sensors & O2 Sensors category, designed for precise monitoring of exhaust gas temperature in BMW diesel engines. This used OEM component ensures proper compatibility with the factory engine control unit, stable exhaust system operation, and correct functioning of emission control systems. It's a practical solution for users seeking a proven sensor at a reasonable price, while maintaining factory operating parameters.

Specifications and technical data

• SKU: 7795166
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7795166
• Substitutable numbers: 13627809152, 7809152, 13627795166, 7795166, 13627794723, 7794723
• Category: Oxygen Sensors

Application and Role in the BMW Exhaust System

The exhaust gas temperature sensor in M57N and M47N2 engines is responsible for real-time measurement of exhaust gas temperature, which is crucial for the correct operation of the injection system, turbocharger, and exhaust gas purification systems. A properly functioning component:

• supports the engine control unit in optimizing fuel injection and boost pressure,
• helps protect the turbocharger from overheating,
• contributes to the correct operation of filters and catalytic converters,
• reduces the risk of the powertrain entering limp mode.

This ensures stable engine operating characteristics and predictable performance, which is particularly important in BMW 5 Series E60 and 3 Series E90 diesel units.

Compatibility and Replacement Numbers

The offered sensor belongs to the group of OEM BMW parts for which dedicated part numbers and interchangeable numbers are available. This facilitates the selection of the correct component based on manufacturer markings or vehicle data. In practice, this means direct installation in place of the factory sensor, without the need for wiring modifications or adapters.

For certainty of fit, it is advisable to use the OEM part number or reference numbers assigned to this sensor model – this helps avoid issues with electrical and mechanical compatibility.

Product Characteristics and Condition

The presented item is an original BMW sensor from a dismantled vehicle, in used condition. This type of component is often chosen by users who expect factory-quality manufacturing and correct integration with the vehicle's electronics, while also reducing repair costs. This type of exhaust gas temperature sensor maintains its factory signal characteristics, which is important for the accuracy of readings and the stability of the control unit's operation.

A used OEM part is particularly beneficial where compatibility with the original wiring harness, the correct connector, and the appropriate length of the measurement cable are important, without the need for installation modifications.

Benefits of Using an Original Exhaust Gas Temperature Sensor

Choosing the BMW E60 E90 M57N M47N2 Exhaust Gas Temperature Sensor offers a range of practical advantages in daily vehicle operation:

• factory-compatible integration with the BMW engine control system,
• stable exhaust gas temperature measurement parameters,
• reduced risk of diagnostic errors and limp mode,
• economical repair option through the use of a used OEM part.

This solution is particularly recommended for diagnosing issues with power loss, increased fuel consumption, or error messages related to the exhaust system.

Selection Support and Additional Information

If you need other parts from the Lambda Sensors & O2 Sensors category dedicated to this brand, check our offer for BMW Lambda Sensors & O2 Sensors, where you will find a wide selection of compatible components for various models.

When choosing a used sensor or other electronic component, it's useful to know how to correctly select a part by its OEM number and what to pay attention to during installation. Detailed guidance can be found in the guide: Used Automotive Electronics – Why ECU Modules and Second-Hand Sensors Make Sense, which discusses compatibility, diagnostics, and practical application examples.