Mechanics

BLUE SMOKE

2003 BMW 330ci • 6 cylinder 2WD Automatic • 55,000 miles

BMW 330, 55,000mi. What causes a blue cloud of smoke when I start it cold?
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Gary cooper
February 2, 2011.



Valve seals/stems/guides-

Rasmataz
Feb 2, 2011.
Or a bad cyclone separator.

Dr. Hagerty
Feb 2, 2011.