424282db_ft_error_codes_troubleshooting__Notes
[Unit] SRS [Error dec/hex] 6/0006 [Parameter dec/hex] 66/42 [BMW Model] E39 528i Touring [Year] 1998 [What is it] Belt lock unit in the passenger seat disconnected [What I’m experiencing] The red airbag alarm turn on on the instrument cluster [Where is the fault] The cable connected to the unit under the passenger seat was disconnected [How to solve] Check wires and reconnect [Notes] 
I disconnected the cable by hand to find which error was generating
BMW | P.A. Soft error codes troubleshooting
Notes