The Genuine BMW A/C Refrigerant Suction Hose (part number 64509122621) is a high-quality replacement part for BMW vehicles. This hose is responsible for carrying refrigerant from the evaporator to the compressor in the air conditioning system. It is made from durable materials and designed to fit perfectly in BMW models. This A/C refrigerant suction hose is an essential component for keeping your vehicle's air conditioning system running smoothly and efficiently. It is an authentic BMW part, ensuring reliable performance and compatibility with your vehicle.