1999 BMW 328 oil in spark plug cavity

1999 BMW 328
180,000 MILES • 6 CYL • 2WD • MANUAL
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VLOPEZ
  • MEMBER
  • 1 POST
I noticed my car iddles rough and i found oil in one of the sparkplug cavities. it's flooding the ignitor lead and causing it to missfire. where could this oil be coming from? only one sprak plug cavity is affected.
Oct 31, 2010 at 3:34 PM
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DOCHAGERTY
  • ✓ASE Certified Mechanic
  • 9,606 POSTS
  • ASE Certified Mechanic
The oil leakage is simply an indicator of a valve cover gasket leak, replace it straightaway.
Oct 31, 2010 at 11:44 PM
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