The Genuine BMW Bulb Socket Left - 63218371325 is a replacement part for BMW vehicles. It is designed to hold and connect the bulb securely in place, ensuring proper functioning of the vehicle's headlights or taillights. This bulb socket is made from high-quality materials and is an exact fit for the left side of the vehicle. It is a genuine BMW product, ensuring durability and reliability. This bulb socket is compatible with various BMW models and is an essential component for maintaining the proper functioning of the vehicle's lighting system.