Exhaust Oxygen Sensor Mini Cooper R55 R56 R57 R58 Lambda Probe 7548961

Mini Cooper R55 R56 R57 R60 Lambda Sensor 7548961 is an original part from the Lambda Sensors and O2 Sensors category, designed for precise control of the air-fuel mixture in Mini engines. The used OEM sensor ensures proper cooperation with the factory engine control unit, stable engine operation, and maintenance of correct exhaust emission parameters.

Specifications and technical data

• SKU: 7548961-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7548961
• Substitutable numbers: 7548961, 11787548961
• Category: Oxygen Sensors

Technical Characteristics of the Mini Lambda Sensor

The lambda sensor in this Mini model operates in the exhaust system as an oxygen content sensor in the exhaust gases, transmitting a signal to the engine control unit. This allows for dynamic fuel dose correction, which affects:

• stable idle speed and smooth acceleration,
• reduced fuel consumption under typical road conditions,
• maintenance of catalytic converter and exhaust gas purification system efficiency,
• compliance with emission standards for the specific Mini model year.

The original manufacturing of the sensor guarantees correct electrical parameters and proper signal interpretation by the control unit, without the need for adapters or wiring modifications.

Compatibility with Mini Cooper R55, R56, R57, R60 Models

The presented sensor is designed to work with Mini Cooper R55, R56, R57, and R60 platforms, meaning it fits the factory wiring harness and designated mounting points in the exhaust system. In practice, this translates to:

• installation in place of the factory sensor without interfering with the wiring,
• maintaining the original engine operating characteristics,
• no need for control unit software modifications.

This makes the solution particularly beneficial for workshops and users who want to restore the correct operation of the engine control system while adhering to manufacturer standards.

Benefits of Using an Original Mini Lambda Sensor

Using an original lambda sensor in a Mini Cooper helps to mitigate common problems that occur after installing aftermarket replacements with uncertain parameters. The most significant advantages include:

• stable cooperation with the ECU – correct voltage signal and sensor response time,
• reduced risk of diagnostic errors related to the mixture,
• maintenance of factory injection maps without the need for adjustments,
• better repeatability of readings over a longer period of operation.

For vehicles equipped with advanced control electronics, selecting a sensor that matches OEM markings and interchangeable part numbers is crucial for proper diagnostics and subsequent operation.

Condition, Origin, and Practical Application in Service

The part is a used component obtained from disassembly and is offered as a used part, allowing for economical repair while maintaining the original manufacturer's specifications. This type of solution is particularly attractive for older generations of Mini, where both repair cost and the preservation of the original powertrain configuration are important.

If you want to better understand how to safely select and install used sensors and control modules, it is worth reading the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. There you will find practical tips on selection by manufacturer markings, compatibility verification, and installation.

Assistance with Selection and Other Mini Lambda Sensors

When selecting a lambda sensor for a Mini, it is crucial to compare the markings with the existing part and the vehicle's specifications. If in doubt, it is advisable to seek assistance from a service center or a specialist to avoid engine operation problems and control unit errors.

If you are looking for other Lambda Sensors and O2 Sensors dedicated to this brand, check out the Mini Lambda Sensors and O2 Sensors available in our store to select the part that best fits your specific car version.

In situations where quick vehicle restoration is a priority, the article: Immediate Availability of Car Parts vs. Repair Time – How Used OEM Parts Shorten Workshop Stays? may also be helpful, describing the impact of the availability of used OEM parts on repair time and cost.