BMW F01 F10 F11 Z4 E89 Monitor Sensor Lambda Probe Petrol 7526262

BMW F01 F10 F11 Z4 E89 Monitor Sensor Lambda Probe Petrol is an original component from the Lambda probes and O2 sensors group, designed for BMW petrol engines. It enables precise measurement of exhaust gas composition, which translates into stable engine operation, correct fuel dosing, and compliance with emission standards.

Specifications and technical data

• SKU: 7526262
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7526262
• Substitutable numbers: 11787526262, 7526262, 11787614322, 7614322
• Fuel type: Petrol
• Category: Oxygen Sensors

Purpose and function in the petrol system

The lambda probe in a BMW petrol engine is responsible for monitoring the oxygen content in the exhaust gases and sending a signal to the engine control unit. This allows for maintaining an optimal air-fuel mixture, which supports smooth engine operation, reduces fuel consumption, and helps protect the catalytic converter from overheating and damage.

In the F01, F10, F11, and Z4 E89 series models, a properly functioning O2 sensor is crucial for idle stability, throttle response, and the correct operation of OBD diagnostic systems. Replacing a worn-out probe with a functional OEM part allows for restoring the factory operating parameters of the petrol supply system.

Benefits of using an original BMW lambda probe

Using an original O2 sensor ensures:

• accurate signal reproduction for the engine control unit,
• consistency with factory injection and ignition maps,
• correct operation of the self-diagnostic system and error clearing after replacement,
• better engine refinement across the full load range.

Due to the preservation of factory signal characteristics, the ECU does not require additional software adaptations, and the replacement process is limited to correct mechanical and electrical installation. This solution is particularly beneficial when servicing modern BMW petrol engines, where sensors work in close cooperation with advanced control algorithms.

Product characteristics and condition

The offered BMW lambda probe for petrol engines comes from dismantling and is classified as a used part. Such components, provided they are electrically and mechanically sound, represent a reasonable compromise between repair costs and maintaining original quality. In practice, this allows for an economical repair of the exhaust and fuel supply system without sacrificing compatibility with factory software.

The part should be selected based on the OEM number or interchangeable numbers, which minimizes the risk of incompatibility with a specific engine version and installation. In case of doubt, it is worth verifying the fitment using the VIN number and comparing the design with the currently installed probe.

Selection, installation, and technical support

When selecting a lambda probe for a BMW, it is crucial to consider the fuel type, engine version, and compatibility with the factory controller. After installation, it is recommended to perform computer diagnostics, clear stored errors, and check the sensor's operating parameters in real-time. A correctly selected and installed component restores stable fuel trim values and eliminates typical symptoms of a faulty probe, such as increased fuel consumption or a check engine light.

If you want to learn more about the cost-effectiveness of using used sensors and modules in modern cars, methods of verifying compatibility, and installation principles, check out our guide: Used automotive electronics – ECU modules and second-hand sensors in practice.

Expansion of the exhaust measurement system in BMW

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 probes before and after the catalytic converter, O2 sensors for other cylinder banks, or exhaust gas composition measurement components, check out the available parts in the BMW Lambda probes and O2 sensors category.