BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 E92 LCI NOx Sensor Petrol N53 7587129

BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 E92 LCI NOx Sensor Petrol N53 is an original component from the Lambda probes and O2 sensors group, designed for BMW petrol engines. This used OEM component ensures accurate measurement of exhaust gas composition and nitrogen oxides, which translates into stable engine operation and proper communication with the engine control system.

Specifications and technical data

• SKU: 7587129
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7587129
• Substitutable numbers: 11787587129, 7587129, 11787587128, 7587128, 11787582327, 7582327, 11787565447, 756544711787580518, 7580518, 11787576908, 7576908, 11787580518, 7565447
• Fuel type: Petrol
• Category: Oxygen Sensors

Purpose and technical function

The presented NOx sensor is designed for use in BMW E60, E61, E63, E64 LCI and E90, E91, E92 series models with petrol engines. This component is responsible for the precise measurement of oxygen and nitrogen oxide content in the exhaust gases, allowing the engine control unit to continuously adjust the fuel-air mixture. A properly functioning NOx sensor helps maintain the correct operating parameters of the engine, reduces the risk of diagnostic errors, and helps maintain compliance with exhaust emission standards.

Benefits of using an original NOx lambda probe

Choosing an original sensor from the Lambda probes and O2 sensors group ensures proper compatibility with the factory engine control unit software. As a result:

• the controller receives a stable, repeatable measurement signal,
• the fuel supply system can operate within the optimal range,
• the risk of errors related to the mixture and exhaust emissions is reduced,
• it is easier to maintain the correct operating parameters of the catalytic converter and other exhaust system components.

A used OEM component is a solution that allows you to combine an attractive price with the maintenance of the correct operating parameters of the engine control system, without the need to use replacements with uncertain characteristics.

Compatibility and selection by part numbers

The NOx sensor is intended for petrol engines, so its measurement characteristics are adapted to the specific operation of petrol-powered units. Selection is based on the OEM part number and interchangeable numbers, which allows for precise matching of the component to a specific engine version and vehicle year. In practice, this means that after proper matching according to catalog data and manufacturer markings, the sensor can be installed in place of the factory element without the need for installation modifications.

Component condition and installation aspects

The offered NOx lambda probe is a used component, which in the case of original BMW parts allows for maintaining factory build quality and fitment while reducing repair costs. The sensor is intended for installation in the location provided by the vehicle manufacturer, using the factory thread and electrical connector. A correctly selected component allows for installation using standard service procedures, while observing recommendations regarding tightening torque and connection tightness in the exhaust system.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the mixture control and exhaust emission area in your BMW and need other components from the same group, such as additional probes, oxygen sensors, or NOx sensors, check the available parts in the BMW Lambda probes and O2 sensors category.

When selecting used sensors and engine electronics, it is worth paying attention to the compatibility of markings, hardware and software versions, and the installation method. A detailed discussion of the principles of selection, compatibility verification, and practical installation aspects can be found in the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?