I just got a 1989 e34 and I am trying to learn this car by trial and error. My question of the month is......does anyone know why my new OBC will not light up? It showed a display until I put the radio in, then it all went dark, can anyone help?
its probably just the bulbs, mine did the same thing, when i installed it the bulb for the display burned out. if you turn on the headlights and turn the interior light dimmer all the way up and the display is dimly lit then you have a bad bulb
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