2.1 Steel surface

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, 2012 BMW 760Li, and 2011 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

Grind bonding surface with a metallic bright finish for better adhesion.
Clean bonding surfaces with cleaning agent R1.
Allow cleaned surfaces to dry for approx. 5 minutes.

Bonding surfaces must be completely dry.