Opel astra 2.O Problem

[hellmouth666]

Hellow i have maybe a stupid question, a friend of me has the exact same car,same year, same engine,same build as me. but it is chiptuned,so i managed to read out his ecu with an mpps v12 but now my question is what do i need to change in the file to flash it in my car ?
thank you

[kire106ka]

Are the ecu same post ecu numbers from the car and read you'r flash and send bouth you's and frends for comparation