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1991 bmw e30 alpine cm5908 radio code

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Jul 27, 2015, 3:26 PM

Post #1 of 1 (1290 views)
1991 bmw e30 alpine cm5908 radio code Sign In

Hey All,
I recently purchased a 1991 BMW E30 cabrio. Needed an alternator when I purchased it and battery was dead. got it home, replaced battery and alternator, runs great, but need to enter the radio code. Got code from 2 dealerships and still can not find a sequence that will unlock the radio. Tried battery disconnect, then entered code - nothing, waited 1 hour, nothing - waited 2 hours key in #2 position, nothing, unhooked leads at radio, nothing again. was told by bmw tech to touch both battery term end together to clear all capacitors...NADDA. WTF am I doing wrong? I would guess wrong code, but when 2 dealers give me the same number I am automatically throwing that out....anything else I could be missing??

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