The Genuine BMW HVAC Heater Hose - 64219119155 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 used to heat the interior of the car. It is made from durable materials and is an exact fit for specific BMW models. This heater hose is an essential component for maintaining the proper functioning of the HVAC system in BMW vehicles.