This product is a genuine BMW HVAC heater hose, part number 64217836986. It is designed for use in heating, ventilation, and air conditioning systems in BMW vehicles. The hose is made from high-quality materials and is designed to fit perfectly in the designated location on the vehicle. It is an essential component for the proper functioning of the HVAC system and ensures efficient heating and cooling in the vehicle. This product is manufactured by BMW and is an authentic replacement part for damaged or worn out heater hoses.