1998 BMW 7 Series Logo
Posted on Jun 16, 2009
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98 BMW M3 radio has poor or no reception. CD changer and head controls work fine. The car is new to me and I understand that there is an amp or antenna booster that may be the problem.

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  • Master 2,187 Answers
  • Posted on Jun 16, 2009
Anonymous
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Check first the connection of the radio to the antenna... there is a cable that should go to the back of the radio. See if the cable insulation (the rubber like covering) has openings or the connection is loose before checking any of the devices that may boost the signal.

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  • BMW Master 85,242 Answers
  • Posted on Jun 16, 2009
Marvin
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The usual cause of this is a defective antenna or antenna ground, if it is a power antenna verify a good ground, if ok replace the antenna, also check the coax connector to the back of the radio.

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