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.
Designation, repair instructions
Designation, Electronic Parts Catalogue
Part number, Electronic Parts Catalogue
Remarks
Metal filler
2C metal filler
83 19 2 154 175 US version: 83 19 2 163 602 Asian version: 83 19 2 163 603