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Thread: 97 e36 M3 dash, interior and headlights flicker on cold start

                  
   
  1. #1
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    Jan 2008
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    Germantown, MD
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    97 e36 M3 dash, interior and headlights flicker on cold start

    The dash, interior and head lights flicker on a cold start. the idle also fluctuates slightly. then once the car is driven a little bit, everthing is normal. any ideas, alternator, battery?

    thanks!
    Last edited by martinj; 03-01-2010 at 04:07 PM.

  2. #2
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    Germantown, MD
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    anyone?

  3. #3
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    Apr 2005
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    Arlington, VA USA
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    Check battery cable connections are clean and tight, especially the grounds.

  4. #4
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    Jan 2008
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    Germantown, MD
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    update, seems to have something to do with my secondary air pump (which sounds like it's on it's last legs). when the SAP is running, i don't get any idle or dash light fluctuations.

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