so i ws running my rca cables thru the passengerside panel ( main console)
and i had to pop out the bmw on board computer
and when i put the computer screen back in. the lights got all dim...

and like screwed up badly.
so my quesetion is . if i got some1 elses on board comptuer..and jus hook it up . will it work ? or wud i have to go to the dealership and buy the new one....