Pierburg 7.02604.25.0 Oxygen Sensor

Overview of Pierburg Oxygen Sensor 7.02604.25.0

The Pierburg Oxygen Sensor 7.02604.25.0 is designed for precise emission control in select BMW and Mercedes-Benz models. This heated lambda sensor ensures accurate air-fuel mixture readings to optimize engine performance and reduce emissions.

• Heated lambda sensor for faster response times
• Wiring harness length of 425 mm for flexible installation
• Equipped with 4 connectors for secure electrical connections
• Operates at 12 volts compatible with vehicle electrical systems
• Compatible with various BMW and Mercedes-Benz models including 525i, 530i, 750Li, CLK55 AMG, M3, X5, and X6

Technical Details and Compatibility

This Pierburg oxygen sensor features a 425 mm wiring harness length, providing sufficient reach for installation in engine compartments of BMW and Mercedes-Benz vehicles. The sensor is heated, which allows it to reach operating temperature quickly, improving emission control efficiency. With four connectors, it ensures a reliable electrical connection to the vehicle’s engine management system. Operating at 12 volts, it integrates seamlessly with the electrical systems of models such as the BMW 525i, 530xi, 750i, and Mercedes-Benz CLK320, CLK430, and CLK55 AMG.

Applications and Problem Resolution

This oxygen sensor is used to monitor the oxygen levels in the exhaust gases, enabling the engine control unit to adjust the air-fuel ratio for optimal combustion. It is particularly suited for:

• Reducing excessive fuel consumption caused by incorrect air-fuel mixture
• Resolving engine misfires related to faulty oxygen sensor readings
• Lowering harmful emissions to meet regulatory standards
• Improving engine performance and responsiveness
• Addressing check engine light triggers related to emission control

Installation Notes and Tips

When installing the Pierburg oxygen sensor 7.02604.25.0, ensure the wiring harness is routed away from high-heat sources to prevent damage. Verify the connector type matches the vehicle’s harness to avoid electrical issues. It is recommended to use proper torque specifications when securing the sensor to avoid leaks or sensor damage. Always disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of emission control components, this oxygen sensor meets OEM standards for fit and function. The part number 7.02604.25.0 undergoes rigorous testing to ensure durability and reliable performance in BMW and Mercedes-Benz vehicles. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.