BMW E82 E90 E91 E92 LCI F20 F30 E31 N55 Regulating Lambda Probe Petrol L=740MM

BMW E82 E90 E91 E92 LCI F20 F30 E31 N55 Oxygen Sensor Petrol L=740MM is an original part from the Oxygen Sensors & O2 Sensors category, designed for BMW petrol engines. Thanks to its appropriate cable length and factory connectors, it ensures stable mixture composition readings and correct engine control system operation, which translates to more efficient engine performance.

Specifications and technical data

• SKU: 7596924
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7596924
• Substitutable numbers: 11787596924, 7596924, 0258027019, 0 258 027 019
• Fuel type: Petrol
• Category: Oxygen Sensors

Purpose and Function of a BMW Oxygen Sensor

The presented oxygen sensor operates within the exhaust system of a petrol engine, monitoring oxygen content in the exhaust gases. Based on its signal, the engine control unit adjusts the fuel dosage, maintaining the mixture within the optimal range. A properly functioning O2 sensor helps reduce fuel consumption, stabilizes idle operation, and supports compliance with emission standards.

The component is dedicated to BMW units from the N55 family and selected E and F series models, allowing for the preservation of the engine's factory operating characteristics. Using an original sensor with the correct connector type minimizes the risk of control unit errors and adaptation issues.

Construction, Cable Length, and Installation

The oxygen sensor is equipped with a cable length tailored to the exhaust system of the specific model, facilitating wire routing within original brackets and covers. The appropriate cable length limits mechanical stress and the risk of insulation damage during suspension and engine operation.

The factory electrical connector enables plug-and-play installation, without the need for soldering or modifying the wiring. In practice, installation involves:

• unscrewing the old sensor from the threaded socket in the exhaust system,
• mounting the new O2 sensor using the appropriate oxygen sensor wrench,
• routing the cable according to the original wiring path,
• connecting the plug to the vehicle's wiring harness.

This solution reduces service time and minimizes the risk of installation errors, which is particularly important in modern BMW petrol engines.

Benefits of Using an Original Oxygen Sensor

Using an original O2 sensor in a BMW petrol engine offers a range of practical operational benefits. The most important include:

• Stable Engine Operation – correct fuel dosage adjustments reduce jerking, RPM fluctuations, and hot start issues.
• Improved Emission Control – a functional sensor supports proper catalytic converter operation, which is important during periodic technical inspections.
• Exhaust System Component Protection – the correct mixture composition reduces the risk of overheating and premature catalytic converter wear.
• Control Unit Software Compatibility – the original sensor works with factory control maps without the need for additional adaptations.

For turbocharged engines, such as those in the N55 family, precise oxygen sensor readings are particularly important for the engine's thermal safety and maintaining the correct mixture composition under load.

Used Product Characteristics

The offered BMW oxygen sensor is from the aftermarket, which helps reduce repair costs compared to a new OEM part. Such components are often chosen for servicing older vehicles where maintaining correct control system operation within a reasonable budget is key.

To better understand how to safely select and install used sensors and other engine control electronics, it is worth consulting the Global Parts guide: used car electronics – second-hand ECU modules and sensors. There you will find practical tips on selection by OEM numbers, hardware and software compatibility, and common installation-related questions.

If you also treat your car as a project for modification and want to consciously use the second-hand market, a material describing how to select components for modifications and budget may also be helpful: best used parts for tuning your car.

Related BMW Oxygen Sensors & O2 Sensors

In the case of complex BMW exhaust systems with more than one sensor before and after the catalytic converter, it is often necessary to replace several components simultaneously to achieve consistent readings and avoid random control unit errors. If you are planning a comprehensive service of the exhaust gas composition measurement system in your car, check the available parts in the BMW Oxygen Sensors & O2 Sensors category.