This product is a Genuine BMW Channel Sealing for the Outside Door Front Left. It is made of chrome and has the part number 51337267943. This channel sealing is designed to provide a tight seal between the door and the vehicle body, preventing water, dust, and noise from entering the interior of the car. It is a high-quality, OEM product specifically designed for BMW vehicles. This channel sealing is suitable for the front left side of the vehicle and is a direct replacement for the original part. It is durable and built to last, ensuring a long-lasting and secure seal for your BMW.