Utilities > Parts > Management > [Extras] > Import. Select the "BMEcat (1.2)" entry in the File type field and click the subsequent button [...].
In this dialog define the configuration file for importing BMEcat data.
Overview of the main dialog elements:
Click [...] next to this field to select the configuration file for the import in the subsequent file selection dialog.
See also
Parts Management: Importing Parts Data to the eCl@ss Standard