64 22 190 Removing And Installing/Replacing Rear Compartment Fresh Air Grille (Automatic A/C Basic)
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Remove and install/replace rear compartment fresh air grill. See 64 22 191 REMOVING AND INSTALLING/REPLACING REAR COMPARTMENT FRESH-AIR GRILLE (AUTOMATIC A/C HIGH) .