only a general information: a permision to study (or to work) in Italy doesn't alllowe to study (or work) in an other EU-Country. if you want to study here, you need to ask the permission to the German authority. At best try to reach the consutling centre of a german universty. For general information you can have a **** here: https://***.hochschulkompass.de/en/degree-programmes/prerequisites-for-studying.html