The Genuine BMW Bulb Holder Rear Light Side Panel Right - 63217178384 is a replacement part for the rear light assembly on the right side of a BMW vehicle. It is specifically designed for use on the side panel of the rear light and is made from high-quality materials to ensure durability and proper function. This bulb holder is an authentic BMW product and is designed to fit seamlessly into the existing rear light assembly. It is compatible with various BMW models and is an essential component for maintaining proper lighting on the right side of the vehicle.