This is an OEM BMW B-Pillar Impact Sensor Crash SRS Set that fits models F23, F30, F32, and F82 from 2014-2020. It is a safety accessory designed to ensure the proper functioning of your vehicle's airbag system in the event of a collision. This product comes with a 1-month manufacturer's warranty and is made in Germany. It has OE/OEM part number 65779234989 and interchange part number 65779234989. Please note that this product contains lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects, and other reproductive harm. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes, and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.