Solution : https://service.sap.com/sap/support/notes/788278 (SAP Service marketplace login required)
Key words :
represent german umlauts correctly, inbound utf-8 documents, loaded correctly problem, utf-8 documents outbound, process creation id, notes provide solutions, xml import triggers, attached ccm package, sap business connector, generated correctly
Related Notes :
790053 | Collective SAP Note for SRM vendor XML communication with BC |