How do you test the general module and the module on the lower driver's side? How do you know if it's a module creating draw that needs to be replaced. BTW, I am not an electrical engineer, it has always baffled me; but mechanically I can do great things.
IF the radio flickers when the on button it held pushed in if the key is not in the ignition can we rule out the ignition? BTW, everything was working perfectly for the past 2 months.

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X5 3.0 AUTO -2001 - 238,000 miles