Procedure, aluminium front end

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Each welded joint which is opened must be replaced by at least 2 EMC screws.
Position the 2 screws on the flange on which the weld seam has been separated. In the event of partial replacement, position the screws in the area of the component overlap.
In the case of repairs using partial replacement, the number of EMC screws described in the repair instructions must be fitted.
Drill holes to a diameter of 4.2 mm and insert screws.
Seal EMC screws with PU sealing material (risk of corrosion).