The product is a Lane Change Warning Sensor for 2011-2019 BMW X3, X4, X5, and X6 models. It is a Direct Replacement part with Pin terminals and is designed as an Advanced Driver Assistance System (ADAS) Control Module. The sensor is made by BMW in Germany and is easy to install. It is suitable for both left and right placements on the vehicle. The part number for this sensor is 66326873289, and it is a vintage part. The warranty information is not provided, and it does not have universal fitment. ALL THE SENSOR NEED PROGRAMMED OR CALIBRATED GOOD WORKING CONDITION QUALITY TESTED USE PLEASE CHECK THE PART NUMBER AND PHOTO. #1673.