The Genuine BMW Door Weatherstrip Rear Left - 51767221843 is a high-quality replacement part for the rear left door of a BMW vehicle. This weatherstrip helps to seal the door and prevent water, dust, and debris from entering the interior of the car. It is made from durable materials that are designed to withstand the elements and provide a tight seal for years to come. This weatherstrip is an authentic BMW product, ensuring a perfect fit and reliable performance. It is an essential component for maintaining the integrity of the vehicle's door and ensuring a comfortable driving experience.