The Genuine BMW HVAC Heater Hose - 64216985738 is a high-quality replacement part for BMW vehicles. It is specifically designed for the heating, ventilation, and air conditioning (HVAC) system of the car. This hose is responsible for transferring hot coolant from the engine to the heater core, which then heats up the air that is blown into the cabin. It is made from durable materials to withstand high temperatures and pressure, ensuring long-lasting performance. This genuine BMW part is an exact fit for the original hose, making installation easy and hassle-free. It is an essential component for maintaining a comfortable temperature inside the vehicle during cold weather.