Helps prevent air leakage and maintain stable internal temperature，Reduces outside interference and brings quieter driving surroundings. For X5 F15 2014 2015 2016 2017 2018 51767318509 51767318510 Car Rear Door Left Right Waterproof Sealing Strip Stylish trim strips blend seamlessly with your vehicle, providing discreet yet effective protection. It provides excellent cushioning and sealing, effectively reducing glass vibration and noise. Tightly covers gaps to stop impurities from entering the car，Buffers slight vibration and collision between adjacent automotive components., Manufacturer: HRQCTIM