The Genuine BMW Cover Activated Charcoal Filter is a protective cover designed specifically for the activated charcoal filter in BMW vehicles. This cover helps to prevent dust, debris, and other contaminants from entering the filter and affecting its performance. It is made from high-quality materials and is an authentic BMW product. The cover is easy to install and provides an extra layer of protection for the filter. It is an essential component for maintaining the efficiency and longevity of the activated charcoal filter in BMW vehicles.