Your battery is in the trunk most likely, on the passengers side underneath your small tool carrier.
trunk
you dont
what is the battery suit the BMW 730I 1992 model?
In the trunk
12v
5
it has a chain
In the Boot! right hand side...
You use them by applying the brakes.
The battery is located in the trunk on a 1992 BMW 520i. it is on the right hand side, behind the carpet panel.
Nothing to reset except radio presets and clock.
try looking in the trunk for the battery that's where BMW puts then sometimes. look behind the side panels or under trunk floor