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Thread: Flickering Odometer and MID Display?

  1. #1
    Join Date
    Jan 2004
    Location
    Toronto, Canada
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    1,330
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    BMW 850CSi

    Flickering Odometer and MID Display?

    Noticed this for a while but never posted it.....What would cause the odometer and MID display to occasionally flicker rapidly at while engine runs at idle? A cheap voltmeter plugged into the cigarette lighter reads a steady 13.9v. Resistor plugs??
    Last edited by Dr. T; 04-25-2018 at 11:02 PM.

  2. #2
    Join Date
    Feb 2010
    Location
    Hampshire UK
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    8,871
    My Cars
    99 840ci Sport Indv
    One of two things I reckon:

    Either the thumbwheel control is failing or you have a diode failure in the alternator - a meter is damped so it will not show fast deviations. You could set the meter on AC and see if you get a reading, that would find it....
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


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