Ok so I am at the breaking point, either I figure out where the air filter drain tube connects to the block or I sell this project car. Its dripping way too much oil for my gf to tolerate (brick driveway)...

I have attached pictures... basically the previous owner had an aftermarket air intake with a moroso oil seperator... I need to find out where the tube from the bottom of the oil seperator is supposed to go since there was no oil drain tube (from the air filter) when I purchased this car.. I searched and read on the forums that there is supposed to be a plug next to the oil drain tube for the turbo (top of the oil pan) but there isnt one there, doesnt look like it was ever one there to begin with.

There is a bolt on the block that looks way too clean to be original, could that be it? If that bolt is it, how do I go about ordering the correct part for it? I ordered a drain tube from mbparts usa but that tube works its way down right next to the turbo oil drain tube. Please take a look at the pictures and help me figure out where the pipe from the oil seperator is supposed to go.. or how I can go about fixing this..

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