86 10... Disassembly of rear apron: Installation
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.
Use Sikaflex 221 as sealing compound.
Cut through sealing compound (1) and remove.
Drill out rivets (2).