2003 Bmw 745 Times Doesnt Smoke Other You Press Gas Will Hear Slight Nok Engine

2003 BMW 745
120,000 MILES
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ANONYMOUS
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  • 1 POST
some times it doesnt smoke and other times when you press the gas you will hear a slight nok in the engine and lots of white smoke comes out of the tail pipes
Nov 29, 2012 at 3:54 AM
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DOCHAGERTY
  • ASE Certified Mechanic
  • 9,606 POSTS
  • ASE Certified Mechanic
It could be the crankcase vent valves require replacement
Dec 3, 2012 at 5:28 PM
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WRENCHTOSS
  • MEMBER
  • 16 POSTS
If it is not the crankcase vents it is the valve stem seals 2002-2006 year models are know for the seals failing prematurly..
May 21, 2013 at 5:52 PM
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