1.3 Clean glue area on window and base with clean non-fluffing cloth and alcohol/acetone and allow to dry!

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.