Fiat BSI Continental type 2Memory device is Motorola 9S12XEG384.
You can read and write Motorola 9S12XEG384 with TMPro.
Expected file size is 4096 bytes.
Software shows 5-digit PIN...

Fiat 500X, Tipo, Egea BCM Delphi
Memory device is NEC uPD70F3556.
You can read NEC data flash and program key by OBD2 with VagTacho K+CAN with Fiat activation or with UPA-S.

Transponder Maker Pro (also known as TMPro keymaker or TMPro keymaker) are softwares for transponder key making,transponder key programming,transponder key copying and PIN code/security code...