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  BMW Forums » BMW discussion forums » BMW Z-Series
  Blackstone Report - S54, Gas in oil

 Blackstone Report - S54, Gas in oil



Any thoughts about what could be causing this? When I drive the car, I always make sure that the oil has been warm for a while before I turn it off (no short trips). It does sit for a week or more at a time though.


   Reply » Blackstone Report - S54, Gas in oil

Normally it comes from ring blow by.

   Reply » Blackstone Report - S54, Gas in oil

My S-54 has had oil analysis since new and was autocrossed extensively without any noticeable fuel in the oil.

The definitive test would be a leakdown check.


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