41 00... Information On Metal Filler: Post-processing
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.
WARNING:
When grinding, wear a fine dust mask with particulate filter P2-P3!
After cooling, the metal filler can be machined.
Pores and faulty spots that become visible after grinding the surface must be closed with polyester filler (BMW Color system).
Special procedure for pores:
Use a ø4.2mm drill. Turn the drill by hand to expand the pores in v shape. by t
Fill cavities with polyester filler.