BMW BLUE SMOKE

  • Tiny
  • gary cooper
  • 2003 BMW 330ci
  • 6 CYL
  • 2WD
  • automatic
  • 55,000 miles

BMW 330, 55,000mi. What causes a blue cloud of smoke when I start it cold?

Wednesday, February 2nd, 2011 AT 1:02 AM

2 Answers

  • Tiny
  • rasmataz
  • Member

Valve seals/stems/guides-

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Wednesday, February 2nd, 2011 AT 1:25 AM
  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,717 posts

Or a bad cyclone separator.

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Wednesday, February 2nd, 2011 AT 11:46 PM

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