1993 bmw electric problem, please help on 1993 BMW 325i

were is the ground wire located at? i have no power, windows radio, lights, ect. please help

Asked by for the 1993 BMW 325i
1 answer
other than the battery, ground wires are located from one end of the car to the other; literally DOZENS of them. without a wiring diagram and a good digital inductive meter, you are lost. suggest a local BMW specialty shop.