So, finaly, i've got the answer for my question.
I've got a Bosch ME73.1. in my Stilo abarth.
There might be some Abarths with an ME3.1.

Hi!

With interface are you using with AlfaDiag?

Hi Guys,

i have a '03 Stilo Abarth Selespeed (2.4). Can anybody telle me, wich Engine ECU is used in my car?
I can access the selespeed ECU, but none of the given engine ECUs.

Thank you!