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I already gave you the first option re seat the connector to the Radio.
If you can't do any of this stuff yourself you will have to pay someone
to do it.
There really is no diagnositc for the Radio noise at some point you have to
start trying things. If you are not willing to to do homework to find out
what you have or do something , pay somebody you are stuck.
If you don't want to be paying BMW or some other mechanic for diagnostic
fee's get a coding/diagnositc setup from the coding sub forum.
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