BMW 1 3 5 6 7 Series E60 E65 E81 E87N E90 E91 Lambda Probe Sensor Black Petrol

BMW 1 3 5 6 7 Series E60 E65 E81 E87N E90 E91 Lambda Probe Sensor Black Petrol is a component from the Lambda probes and O2 sensors category, designed for BMW petrol engines. It enables precise measurement of exhaust gas composition, which translates into stable engine operation, correct fuel dosing, and efficient performance of the exhaust emission control system. Thanks to the appropriate cable length, the sensor is suitable for typical mounting configurations used in popular 3 and 5 series models, as well as selected compact versions.

Specifications and technical data

• SKU: 7561410
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561410
• Substitutable numbers: 7561410, 11787561410, 0418078, 11780418078
• Fuel type: Petrol
• Color: Black
• Category: Oxygen Sensors

Function of the lambda probe in a BMW petrol engine

The lambda probe in a petrol engine plays a key role in the closed-loop control of the air-fuel mixture. The sensor measures the oxygen content in the exhaust gases, and based on this, the engine control unit adjusts the fuel dose, keeping the mixture within a range that allows for efficient combustion and proper operation of the catalytic converter. In BMW E60, E65, E81, E88, E90, and E91 series vehicles, the use of a properly selected probe helps reduce fuel consumption, improve engine operating culture, and maintain exhaust emissions at a level consistent with the manufacturer's specifications.

Construction and performance parameters

The presented lambda probe is intended for systems powered by petrol, which ensures compatibility with the operating characteristics of engines used in the mentioned BMW generations. A 680 mm long cable allows for convenient routing of the harness in the engine bay or under the chassis, in accordance with the factory installation path. The black housing facilitates visual matching with the existing electrical harness and heat shields, which is important for services performed in professional workshops.

The element belongs to the Lambda probes and O2 sensors group, i.e., components responsible for ongoing monitoring of the combustion process. Proper selection of the probe for a specific engine version and electrical installation is crucial for correct cooperation with the factory engine control unit and avoiding diagnostic errors.

Selection and application in BMW models

To correctly select a probe for a specific BMW vehicle, pay attention to the engine type, the location of the sensor in the exhaust system (before or after the catalytic converter), and compatibility with the vehicle's electrical system. In the case of the E60, E65, E81, E88, E90, and E91 series, a probe with a 680 mm cable length is often used in standard configurations, which facilitates installation without the need for harness modifications.

When replacing a lambda probe, it is worth:

• checking the condition of the electrical connectors and the harness near the sensor,
• verifying that there is no mechanical damage to the cable,
• performing adaptation or clearing errors in the engine control unit after installation,
• checking the probe's operating parameters in OBD diagnostics after the engine has warmed up.

Characteristics of the used product

The offered lambda probe is a used item, sourced from dismantling, which is an attractive cost-effective solution compared to new components. This type of part is particularly interesting for maintenance repairs in older BMW generations, where it is important to maintain a reasonable service budget while ensuring the proper operation of the fuel and exhaust emission systems.

Before installation, a standard service procedure is recommended: inspection of the thread, working surface, and electrical connector, followed by installation using the appropriate tightening torque and – if necessary – anti-seize paste designed for lambda probes.

Expansion of the BMW exhaust measurement system

If you are planning a comprehensive repair or upgrade of the exhaust and emission control area in your BMW and need other elements from the same group, such as additional sensors before the catalytic converter, sensors after the catalytic converter, or control probes for individual cylinder banks, check the available parts in the BMW Lambda probes and O2 sensors category.

More about used electronics and sensors in the car

When choosing used measuring and control elements – such as lambda probes, engine control units, or comfort modules – it is worth knowing good practices for selection and diagnostics. Practical tips on assessing the condition of electronics, ways to verify compatibility, and safe installation can be found in the article: A second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?