The Genuine BMW HVAC Heater Hose - 64216987951 is a high-quality replacement hose for the heating and cooling system in BMW vehicles. This hose is designed to withstand high temperatures and provide a secure connection between the heater core and the engine. It is made from durable materials and is an exact fit for specific BMW models. This hose helps to regulate the flow of coolant and maintain proper heating and cooling in the vehicle. It is an essential component for the proper functioning of the HVAC system in BMW cars.