moin G-Schrauber, almost the whole forum searched but unfortunately not found the appropriate answer. In my W463, Bj `90 with the OM603 was equipped 2006 by the previous owner a turbocharger. 2012 I bought the car. Already at the time the oil hoses were oiled. Now it is that the whole engine room is oiled, the turbocharger on the side to the cooler, air outlet?, the charging air lines are also strongly oiled. If one solves the small hose on the head cover , get out The turbocharger can only be rotated firmly with the fingertips. Last head gasket and turbocharger were made in 2013. If someone has experience, a plan or a sketch (instruction) of the cables for the installation of the turbocharger (unfortunately, you can no longer ask the previous owner), since a line was already installed wrongly on the turbo.