This product is a Genuine BMW Guide designed for the left side of the bumper on the 428i, 428i xDrive, and 435i models. The part number is 51127428731. It is a high-quality, authentic BMW product that is specifically designed for these specific models. This guide is essential for proper installation and alignment of the bumper on the left side of the vehicle. It is made with durable materials to ensure long-lasting performance and reliability. This product does not contain any newline characters and can be used directly as input in another API call.