The Genuine BMW Heater Duct Rear Right - 64227302852 is a replacement part for the heating system in BMW vehicles. It is specifically designed for the rear right side of the vehicle and is responsible for directing hot air from the heater into the cabin. This duct is made with high-quality materials to ensure durability and proper functioning. It is an authentic BMW product and is compatible with various BMW models. This heater duct is essential for maintaining a comfortable temperature inside the vehicle during cold weather.