fiat punto how to change fuel pump

in this video is shown how to replace fuel pump on fiat punto with 1.2 petrol engine

[@thibaud13]

There are several models pressure of fuel pump : 1.2 bars, 3 bars or 3.5 bars. Which one do we choose?

[@mechanicigor]

That is according to the engine if mono point it's 1.2 if multipoint then 3 or 3.5 it's the same