The Genuine BMW HVAC Heater Hose - 64216945268 is a high-quality replacement part for the heating and cooling system of BMW vehicles. This hose is designed to transport hot coolant from the engine to the heater core, where it is then used to heat the interior of the car. It is made from durable materials and is an exact fit for BMW models, ensuring proper function and performance. This heater hose is an essential component for maintaining the proper temperature and comfort inside the vehicle.