The Genuine BMW A/C Refrigerant Liquid Hose - 64539151738 is a high-quality replacement hose designed specifically for BMW vehicles. It is used to transport refrigerant liquid from the condenser to the evaporator in the air conditioning system. This hose is made with durable materials and is built to withstand high pressure and extreme temperatures, ensuring reliable performance and long-lasting use. It is a genuine BMW part, ensuring a perfect fit and compatibility with your vehicle. This A/C refrigerant liquid hose is an essential component for maintaining proper functioning of your BMW's air conditioning system.