The extradition from Germany to New Zealand is possible. There is no extradition treaty in Germany for extradition to New Zealand, but extradition is possible on a non-contractual basis.

No extradition treaty with New Zealand

Extradition requests may be transmitted through diplomatic channels. Provisional extradition detention can be ordered in Germany before an extradition request from New Zealand is received, but the search at Interpol is sufficient. New Zealand does not appear in the last published official German extradition statistics. New Zealand is a member of Interpol.