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Can you explain how to get rid of the air ? Thanks

Of course. You can do it with ISTA/D, INPA or Tool32. Which one(s) would you like to know?

@@turbotoblast4 well the easiest 😀

The easiest way would be through INPA, but since I tried it and got an error I'll teach you the Tool32 way, because it's easier to obtain and install than ISTA/D. You'll also need NCS Expert to make it work, and the correct cable for your car (K+D-CAN for E series, ENET for F and G series). First load NCS Expert, select any profile and read your car's VIN and VO. Then click the "Process ECU" button, choose the module pertaining the fuel pump, which is called EKP, and click "Read ECU". Now take note of the name of the .PRG file, under where it says "JOBNAME = ...", in the NCS Expert window (reading the ECU before taking note of the file name is very important). In my case it is called EKP360.PRG. You are now done with NCS Expert. BTW, I would do this for all my car's modules and record it somewhere. Now close NCS Expert and open Tool32. Click "File"->"Load SGBD, Group file" and choose the file you took note earlier, in my case it was the EKP360.PRG. A bunch of windows will pop open, but don't get scared. In the window called "Select Job" you will find a list of "Jobs", which are tasks you can ask the fuel pump module to execute. So you need to ask it to turn the pump on, and when you think it's enough you need to ask it to turn the pump off. So, to turn the pump on, you need a job called "steuern_pwm_vorgeben". You need to select it and in the arguments bar write a value from 0 to 100 (just put 100 to turn the pump at maximum speed). Then press F5 to execute the job. You'll hear the pump working under the back seats. After 30-60s I think all the air will have beenn expelled from the system, so you use the job "steuern_ret_contr_to_ecu" to stop the pump. Just select it and press F5, it doesn't matter what's written in the arguments bar. If there's something(s) you didn't understand or have any doubts don't be afraid to ask, ok?

Is this the diesel filter? Or the patrol?

I didn't. But it would make things easier on engine first start.

@@mrfixpl how did u manage to start with no fuel in the filter?

The fliter is over by the pump.

Odpalił od razu, przez chwilę troszkę szarpał, ale po kilku sekundach pozbył się powietrza. Filtr jest dość daleko od pompy wysokiego ciśnienia, więc z samym odpaleniem nie powinno być problemów.

No

I'm replacing mine every seconds service which makes it 2 years or 60kkm, whichever comes first.

Ja nie musiałem. Odpalił, "kaszlnął" ze dwa razy i tyle.

Naprawdę ?

combined with fuel pump

I read its in fuel tank, so you dont have to change it, correct me if Im wrong

Yea where is it

The fliter is over by the pump.