The Genuine BMW HVAC Heater Hose - 64213400417 is a high-quality replacement part for the heating and cooling system in BMW vehicles. It is designed to effectively transfer hot coolant from the engine to the heater core, providing warm air for the interior of the car. This hose is made from durable materials and is specifically engineered to fit and function like the original equipment on BMW models. It is a genuine OEM part, ensuring the highest level of quality and compatibility. This heater hose is an essential component for maintaining proper heating and cooling in your BMW vehicle.