I ran across this video of BMW crash testing 1800 sedans in various ways. It seems so crude compared to today's testing. Also shows some assembly.
I also found this period video of the E9 which may have been posted here before.
BMW E9 3.0 CSI Review Includes BMW Official Factory Footage BMW 3.0 CSi Commercial
I also found this period video of the E9 which may have been posted here before.
BMW E9 3.0 CSI Review Includes BMW Official Factory Footage BMW 3.0 CSi Commercial