The Genuine BMW Air Duct Brake Right - 51747343804 is a replacement part for the brake system of a BMW vehicle. It is designed to direct air flow to the brake components, helping to keep them cool and functioning properly. This air duct is specifically made for the right side of the vehicle. It is a genuine BMW product, ensuring high quality and compatibility with the vehicle. This air duct is an essential component for maintaining the performance and safety of the brake system in a BMW.