edwin814 Posted September 9, 2009 Report Share Posted September 9, 2009 i had z110bt installed with HD tuner on my bmw m3 yesterday. i noticed the hd signal is very weak; it comes and goes, switching between digital and analog frequently. is there anything i can do to improve the signal? Quote Link to post Share on other sites
aleicgrant Posted September 12, 2009 Report Share Posted September 12, 2009 same issue here as well Pioneer said to make sure the HD tuner is grounded to the chasssis. otherwise, might be a bad unit Quote Link to post Share on other sites
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