Hello. I need help. I have a e60 2004 530d 306d2. The previous owner also removed the dpf and the catalyst, it has a little smoke when cold. We looked at the atomizers with enthusiasm, they show good values. Today I noticed that it pushes smoke from the pipe under the air mass meter, I am attaching a video of this, it produces the same thing for me as for the guy. What could be wrong?