This product is a genuine BMW roof moulding that is designed for the right side of the vehicle. It comes prime-coated, meaning it has a layer of primer applied to it for protection and improved paint adhesion. The part number for this product is 51132996978. It is a high-quality, OEM (original equipment manufacturer) part made specifically for BMW vehicles. This roof moulding is an essential component for the exterior of the vehicle, providing a sleek and finished look while also protecting the roof from potential damage. It is a direct fit and can be easily installed on compatible BMW models.