Procedure, steel body

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Install the number of EMC screws described in the repair instructions.
Drill holes to a diameter of 4.2 mm and insert screws.
Seal EMC screws with PU sealing material (risk of corrosion).