The Genuine BMW Bulb Holder Rear Light In Trunk Lid Left - 63217211211 is a replacement part for a BMW vehicle. It is designed to hold the rear light bulb in place in the trunk lid on the left side of the vehicle. This bulb holder is an authentic BMW product, ensuring high quality and a perfect fit for your vehicle. It is made from durable materials to withstand the vibrations and impacts of daily driving. This bulb holder is a crucial component for ensuring proper functioning of the rear light in your BMW.