self test

I have 730i BMW 1996, I would like to do the self test by the onboard computer, if there is an expert in this feild like to help me it will be appreciated .

thanks

when in the main menu go into settings where u reset time date ect. and then hold down the menu button for about 10 secs and it will go into the system test, but i dont know why u really want to go in there, what are u looking for