BMW F40 F48 Mini F56 Exhaust Heat Temperature Sensor Probe Diesel 8589817

BMW F40 F48 Mini F56 Exhaust Heat Temperature Sensor Probe Diesel is an original part from the Lambda sensors and O2 sensors group, designed for BMW and Mini diesel systems. This used OEM component ensures accurate exhaust parameter readings, which translates into stable diesel engine operation and proper functioning of emission control systems.

Specifications and technical data

• SKU: 8589817
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8589817
• Substitutable numbers: 13628589817, 8589817, 13628581085, 8581085
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The presented exhaust heat temperature sensor / lambda sensor is a measuring component operating within the diesel engine's exhaust stream. Its task is to monitor exhaust gas parameters, which allows the engine control unit to precisely manage fuel dosage, fuel injection system operation, and exhaust gas treatment processes.

For diesel units, accurate information about exhaust temperature and composition is particularly important – it affects:

• maintaining proper operating conditions for the diesel particulate filter (DPF),
• controlling the soot regeneration process and protecting exhaust system components from overheating,
• stable engine operation across the full load range.

Compatibility with BMW and Mini diesel engines

The model described as BMW F40 F48 Mini F56 Exhaust Heat Temperature Sensor Probe Diesel has been designed to work with diesel-powered engines. Proper matching to a specific engine version and vehicle year is based on the OEM number and interchangeable numbers visible in the technical specification.

To ensure full compatibility, it is recommended to verify by:

• the OEM part number assigned to the specific BMW or Mini model,
• reference numbers used interchangeably within the same component group.

This approach minimizes the risk of installation errors and guarantees correct integration with the vehicle's electronics.

Characteristics of the used component

The offered sensor comes from dismantling and is marked as a used original BMW component. In practice, this means it retains factory geometry, the correct connector type, and operating parameters consistent with the vehicle manufacturer's requirements. A used component of this type is often chosen as an economical solution while maintaining compatibility with the factory installation.

Before installation, it is recommended to perform a standard check of the electrical connector, wiring, and mounting thread in the exhaust system to ensure a tight seal and a stable electrical connection.

Benefits of using an original exhaust heat temperature sensor

Using the correct exhaust heat temperature sensor / lambda sensor in a BMW or Mini diesel engine helps reduce typical operational problems associated with control unit errors, uneven engine performance, or accelerated DPF clogging. A properly selected component:

• supports correct mixture regulation and DPF regeneration strategies,
• helps maintain compliance with exhaust emission standards,
• reduces the risk of the engine entering limp mode due to incorrect readings.

For users looking for a conscious compromise between repair cost and quality, a used OEM sensor is a sensible service solution.

Technical support and selection by part numbers

If you have any doubts regarding the selection of the appropriate sensor for a specific BMW or Mini vehicle, it is worth consulting a guide dedicated to used electronics and measuring components. Detailed information on verification by OEM number, interchangeable numbers, hardware and software compatibility, and practical aspects of installation can be found in the article Used automotive electronics – ECU modules and second-hand sensors.

If you are planning a comprehensive repair or upgrade of the exhaust system area in your BMW and need other components from the same group, such as additional probes, temperature sensors, or exhaust gas composition measuring elements, check the available parts in the category BMW Lambda sensors and O2 sensors.