Exhaust Lambda Probe BMW E60N E61N E81 E81 E87 E90 E91 N47 Oxygen Sensor 7804369

BMW E60 LCI E81 E87 LCI E90 Diesel Lambda Sensor is an original part from the Lambda Sensors & O2 Sensors category, designed for BMW diesel exhaust systems. This used OEM component ensures accurate exhaust gas composition readings, contributing to stable engine operation and proper interaction with the engine control system. It's a practical solution for owners of the 1, 3, and 5 Series looking for a reliable sensor for diagnostics or replacement.

Specifications and technical data

• SKU: 7804369
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7804369
• Substitutable numbers: 13627804369, 7804369
• Category: Oxygen Sensors

Purpose and Role in the Exhaust System

A lambda sensor in a BMW diesel engine is responsible for monitoring exhaust gas composition and transmitting data to the engine control unit. This enables:

• precise fuel dosing under various load conditions,
• maintaining proper operation of the exhaust gas purification system,
• reducing smoke and power loss resulting from incorrect mixture adjustments,
• effective diagnostics of exhaust emission-related faults.

Selecting a sensor dedicated to specific BMW models such as E60 LCI, E81, E87 LCI, and E90 ensures compatibility with the factory engine operating characteristics and control unit software.

Application in BMW 1, 3, and 5 Series Models

The presented sensor is designed for popular BMW diesel models, including the 1 Series (E81, E87 LCI), 3 Series (E90), and 5 Series (E60 LCI). Using an original part from the same design family means:

• correct fit with the wiring harness and thread in the manifold/exhaust system,
• maintenance of factory measurement parameters,
• no need for installation modifications or adapters,
• easier diagnostics based on factory BMW service procedures.

For workshops and individual users, this translates to faster installation and a lower risk of compatibility issues.

Benefits of Choosing a Used BMW Lambda Sensor

A used OEM sensor offers a sensible compromise between cost and functionality. In practice, this means:

• restoring proper engine control system operation without investing in a new part,
• maintaining the original build quality characteristic of the BMW brand,
• better compatibility with the factory control unit software compared to many aftermarket alternatives.

This solution is particularly attractive for routine maintenance repairs where technical efficiency and compliance with manufacturer parameters are prioritized.

Professional Selection by OEM and Interchangeable Numbers

When selecting a lambda sensor for a specific BMW model, matching by OEM number and interchangeable numbers is crucial. This helps avoid issues with cable length, connector type, or signal characteristics. If you want to learn more about choosing used sensors and electronic modules, you can find practical tips in the article on why used automotive electronics – including sensors – can be a cost-effective and safe choice.

Component Condition and Service Application

The offered BMW lambda sensor is a salvaged part intended for service applications in diesel vehicles. It is suitable for both typical replacement of a worn-out sensor and for diagnosing mixture problems, control unit errors, or improper exhaust system operation. It's a practical choice for workshops specializing in the BMW brand and for owners who want to maintain their car in good technical condition.

If you are looking for other BMW Lambda Sensors & O2 Sensors for your car, check out our dedicated offer: BMW Lambda Sensors & O2 Sensors.