Quote:
Originally Posted by dbworld4k
Do you have the regular BMW Business CD unit? Those should be relatively inexpensive on the used market if you end up needing a full unit. The LED circuit itself would be a pain to fix and might not be worth the costs involved.
Good luck!
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I opened up a few up and fixed it, but, the lcd screen needs to be removed and replaced because it plugs into the CB. At least this is what I did for the model that has the slider function for bass/treble etc. e30 of course.