Not sure what caused the error message, but imagine it could be from something like the seatbelts locking up when you were hit. It likely wasn't saying that they malfunctioned during the accident, but that they need to be repaired now.
2011 BMW 335xi Sedan -- Black Sapphire / Black Leather
Sport, Premium, Cold Weather Packages, Navigation
Former: 2013 335i xDrive Sedan -- 2011 335i xDrive Coupe -- 2009 MCS JCW -- 2006 MZ4 -- 2002 325i -- 1997 318ti -- 1991 318i