The Genuine BMW A/C Receiver Drier (part number 64536907402) is a crucial component in the air conditioning system of BMW vehicles. It is responsible for removing moisture and contaminants from the refrigerant, ensuring that the air conditioning system functions properly and efficiently. This receiver drier is an authentic BMW part, designed and manufactured to meet the high quality standards of the brand. It is compatible with various BMW models and is an essential part for maintaining the performance of the air conditioning system.