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2000 BMW 540i

Question: electric problem

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eric64, Brooklyn, NY, February 11, 2011, 14:59

 Rookie

when i start engine i have an air bag light on but dimmed not bright ,dont have seat belt light at all ,no horn but what is funny when i flip sun visor with light on , air bag light and radio are gone plus i have yellow brake light and transmission safe on , no horn ,no seat belt light .when i flip it back in a few minutes everything comes to start position .

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• Answer #1

  ZeeTech February 11, 2011, 15:19
  

   Master

  I know that's enough problem already, but beside these, is there any driveability issue with the engine? Is the check engine light on?
  When you sit in the car at the next time and the problem occurs, try to move the ignition key slightly and see if it changes anything.
  The ignition switch failure is a common problem on these models.
  The other common problem is the ' green death ' when the antifreeze sweeps through the thermostat's electrical harness damaging the DME - it also could cause various electrical and driveability issues.

  Zee
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  Visitor, February 11, 2011, 15:37

  Thanks Ill tray this,now ch. engine is on but my mech.told me to pass insp he resets it and I'm driving 50 miles with rear defroster on and it works - isn't it original? But engine and trans. work perfect . Ch engine is on because some fuel line sens fail what mech said. Thanks again for responding
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  ZeeTech, February 11, 2011, 20:29
  

   Master

  Try to get the exact trouble code from your mechanic.
  Is there anything for MAP Cooling??

  Zee
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