Originally Posted by esfourteen

I realize this response is a bit late and off topic, but since it was posted here I wanted to follow up for anyone who runs into a similar issue. I had the exact same symptoms recently, though with more miles (23k, ~13k boosted). I suspected it was the PCV's, finally swapped mine today and sure enough the the ball inside the valve was stuck. With the new PCV's I haven't had any smoking issues at all.

Note: there were 2 other possibilities that I ruled out but should mention: 1.) Bad turbos, or turbo oil return not draining properly. 2.) Valve seals.

Hope this helps.