Mechanics

POOR IDLE CHECK ENGINE LIGHT ON WHEN IDLEING

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
AD
Avatar
Angus714
July 8, 2008.




The M-30 motor is somewhat sensitive to plug gap, valve lash, and throttle plate adjustment. When was the last inspection performed?

Dr. Hagerty
Jul 8, 2008.


AD