So I got some problems with my car. After headgasket and all gasket replacing, new turbo fitting i noticed blue smoke after few days.

The car run on idle, no smoke. Just push accelerator after 15 seconds at idle, I see a ball of blue smoke from the exhaust, just the smoke dissapear, you can accelerate, no smoke, but leave it at idle for some seconds, smoke again. Any ideas? Turbocharger is 99% ok. Engine before the gaskets change was in perfect condition.