Lambda Oxygen Sensor 4x 11787603023 11787596909 11787589138 11787589139 Front Rear Lambda Probe O2 Oxygen Sensor For BMW X3 F25 28i XDrive 2011 2012

OEM NO.:0258010233 , 0258010218 , 0258017231 , 0258017230 , 11787603023 , 11787596909 , 11787589138 , 11787589139 , 7603023 , 7596909 , 7589138 , 7589139 , 0258010431 Designed to improve fuel economy while reducing harmful emissions Sensor is a device that is used to analyse the emissions of a vehicle and determine the amount of nitrogen oxides being produced The oxygen sensor helps the engine run with air and gas. Improve engine response and performance. It is professionally manufactured with high precision and durability. Oxygen Sensor is designed to improve fuel economy while reducing harmful emissions. Helps the engine run efficiently in air-gas ratio. Improve engine response and performance.