The OP is very lucky - after that the story just doesn't make a lot of sense.
But it seems to be ending well, the stupid lawsuit idea is dropped, he's thanking BMW for building a strong and safe car and the gf hasn't sued him (yet).
The beat goes on.
2012 328iTouring xDrive Black Sapphire
Previous BMWs - 2012 135i MSport 6MT Jet Black(sold), 2012 135i MSport LMB DCT(sold), 2011 X3 35i MSport VR (sold), 2009 M3 Sedan AW (sold), 2008 535xi MSport AW (sold), 2007 328xiT Barbera (sold), plus 11 others in the 70s & 80s.