This product is a genuine BMW front left door seal, part number 51712138957. It is black in color and is designed to seal the front left door of a BMW vehicle. It is an OEM (original equipment manufacturer) part and is made to the highest quality standards for a perfect fit and function. This door seal helps to prevent water, dust, and noise from entering the vehicle, ensuring a comfortable and quiet ride. It is an essential component for maintaining the integrity of the vehicle's interior and protecting it from the elements.