The Genuine BMW Tail Light Bulb Socket (3 series) - 63211387655 is a replacement part for the tail light assembly of BMW 3 series vehicles. This socket is designed to securely hold and connect the tail light bulb, ensuring proper functionality and longevity of the tail light system. It is made with high-quality materials and is an authentic BMW product, ensuring a perfect fit and reliable performance. This socket is specifically designed for use in BMW 3 series models and is an essential component for maintaining the safety and functionality of the vehicle's tail lights.