1990 BMW 535 poor idle check engine light on when idleing

Tiny
ANGUS714
  • 1990 BMW 535

Engine Performance problem
1990 BMW 535 6 cyl Two Wheel Drive Automatic 168000 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
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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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