So I have a 321i 1999 BMW, I changed its battery and now my radio keeps saying "code wait". I called the dealer to get my code now I just don't know how to input it. Can Anyone give me steps on how
The ignition key has to be in position 2 (RUN) for around 20mins to an hour and the radio display will clear to CODE then you can input the correct code using the numbered buttons on the headunit to put the code in. You get 3 tries to input the correct code, then the radio will lock you out.
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