The Genuine BMW A/C Refrigerant Hose - 64509187297 is a high-quality replacement part for BMW vehicles. This hose is designed to transport refrigerant to and from the air conditioning system, ensuring proper cooling performance. It is made from durable materials and is built to meet the exact specifications of BMW vehicles. This A/C refrigerant hose is an essential component for maintaining a comfortable and cool interior temperature in your BMW.