The Genuine BMW Heater Duct Rear Left - 64227073907 is a replacement part for BMW vehicles that helps to direct warm air from the heating system to the rear of the vehicle. It is made from high-quality materials and designed to fit perfectly in the designated location. This heater duct is an authentic BMW product and is specifically designed for the rear left side of the vehicle. It is a crucial component for maintaining a comfortable temperature inside the car during colder weather.