2.0 Preparing The Surface

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Surface temperature of bonding surface and room temperature at least 18°C.
Cover area around bonding surface.
Remove dirt/debris, flaked paint etc. from bonding surface with a brush. Use of compressed air prohibited!
Clean bonding surface with cleaning agent R1.
Let cleaned surface air dry for at least 2 minutes. Bonding surface must be completely dry.
Do not contaminate bonding surfaces once they have been cleaned (sweat from hands, fingerprints, etc.).