The Genuine BMW Base Roof Railing Front Left (Black) - 51137207243 is a high-quality, OEM replacement part for BMW vehicles. This roof railing is designed specifically for the front left side of the vehicle and is made from durable materials to ensure long-lasting performance. It features a sleek black finish that seamlessly blends in with the vehicle's design. This roof railing is essential for securely attaching roof racks or other accessories to the vehicle's roof. It is an authentic BMW product, ensuring a perfect fit and reliable functionality.