41 05 800 Releasing Bonded Folded Seam Connections

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.

Fig 1: Releasing Bonded Folded Seam Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Remove area (1) of bead edge on wheel arch bend with a one-hand angle grinder and rough grinding wheel.
Heat area (2) with hot air blower.
CAUTION: Extract vapors and gases.
Release connection flange with chisel.
Grind adhesive residue (4) off wheel arch connection flange.
CAUTION: Wear a grinding dust mask.
Remove remnants of sealing material in area (3).