Good luck to everyone!
There was an experience of contacting the BMW repair service in Uralsk (Michurinskoye district), to two "specialists" (Vitaly and an assistant).
The problem was in the crack of the cylinder head (so the "specialists" said, although the car did not overheat)
After leaving the service, oil flowed from the valve cover on the same day. After long calls (the phone was disconnected), WhatsApp was answered on the 6th day. (I couldn't get there, because I was from another city) They said that I brought them a Chinese valve cover gasket and the reason for it. They also ruined the dmrv pipe (it was changed 6 months ago) and sealed it (temporary solution, need to be changed) explaining that it was also Chinese and the whole thing was "falling apart", and installed a used radiator cap (I found out later).
They refused to eliminate all this.
The money was not small, but the result was not satisfactory.
I took the car to them on an evocator. The main work was done, thanks for that.