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  1. #1
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    1997 740iL AM Radio goes "static" when braking

    As the title says. Whenever I am listening to any AM radio station and I hit the brake pedal, all I hear is static. Once I release the pedal, back to normal.

    This does not happen on FM.

    No work has been done on the car in the past two months, and this issue just started happening a few weeks ago.

    I am thinking short circuit? Any ideas from the epxerts?


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    Could be one of the diversity antenna amps

    The diversity antenna amps are mounted on the C-Pillars, and they connect between the antenna matrix on the rear window and the radio. When those antenna amps fail, bad AM reception (either in general, with the defogger, or with brakes, etc.) is one of the first symptoms.

    Do you get static when you turn on the rear window defogger?
    2000 E38 750iL Highline Edition with 18" Style 118 Wheels and Runflats
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    Re: Could be one of the diversity antenna amps

    Havent checked the rear defrogger, havent needed it.. But will try that tomorrow.. and i will post an update.. thanks.

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    My 1997 bmw 740il radio

    Both the radio and cd player are not working when I turn on either one all I hear is static someone said it might be a broken antenna?? Help!
    Reply With Quote Reply With Quote 67.161.165.118

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    1997 740il bmw radio

    How would I fix a broken antenna?
    Reply With Quote Reply With Quote 67.161.165.118

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