The Genuine BMW Bulb Socket (part number 63131384100) is a replacement part for BMW vehicles. It is a socket designed to hold a bulb securely in place and provide electrical connection for the bulb to function properly. This socket is specifically designed and manufactured by BMW to ensure compatibility and quality. It is made from durable materials to withstand the heat and vibration of the bulb. This Genuine BMW Bulb Socket is an essential component for proper lighting functionality in your BMW vehicle.