The Genuine BMW Expansion Valve - 64116845415 is a high-quality component designed for use in BMW vehicles. It is responsible for regulating the flow of refrigerant in the air conditioning system, ensuring optimal cooling performance. This expansion valve is made from durable materials and is designed to fit perfectly in BMW models. It is a genuine OEM (original equipment manufacturer) part, ensuring the highest level of quality and compatibility with your vehicle. This expansion valve is essential for maintaining a comfortable and efficient driving experience in your BMW.