BOSCH 13477 Premium Original Equipment Oxygen Sensor - Compatible with Select BMW M5 X3 X5 Z3 Z4 Z8 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi 525i 528i 530i 540i 750iL 850i

Bosch Oxygen Sensors are designed to determine the oxygen content of the exhaust gas and to improve the fuel efficiency of the vehicle. They are made from OEM materials that ensure improved performance and long lasting durability. These sensors facilitate easy installation and are corrosion resistant.