Fiat Bravo 1.2 bosch 1.5.5 immo off

[Ginocar]

Hi,
I need an immo off for Fiat Bravo 1.2 because the immo box is wrong.
Bosch 1.5.5
0261204578
Can anybody help me?
Thank you
BR

Edit: I repaired the car with other immobox key and ecu.