Genuine OEM Audi Oxygen Sensor, part number 06E906265E. This sensor is responsible for monitoring oxygen levels in the exhaust system, providing crucial feedback to the engine control unit for precise fuel mixture adjustments. It is designed for installation on the right side of the exhaust system. With a cable length of approximately 0.6 meters, this sensor offers flexibility during installation. Genuine OEM sensors provide exact calibration and signal characteristics, which are critical for maintaining engine efficiency and ensuring compliance with emissions regulations.