1990 BMW 535 poor idle check engine light on when idleing

Tiny
ANGUS714
  • MEMBER
  • 1990 BMW 535
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 168,000 MILES
This is an addition to me previous question.
Could it be the 02 sensor The spark plugs are clean
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Tuesday, July 8th, 2008 AT 1:01 PM

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Tiny
DR. HAGERTY
  • EXPERT
The M-30 motor is somewhat sensitive to plug gap, valve lash, and throttle plate adjustment. When was the last inspection performed?
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Tuesday, July 8th, 2008 AT 4:19 PM

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