For the background to this work and my AI-assisted “translation” of it (noting its limitations for fluency) see The Gospel of John shaped by Greek-Judean Philosophy and the god Dionysus
German text of Volume 1: http://archive.org/details/untersuchungenbe0000gril
German text of Volume 2: http://archive.org/details/untersuchungenbe0002gril
English language version of Volume 1: Vol 1 — Introductory Analysis of the Prologue
English language version of Volume 2: Vol 2 — The Mystery Gospel of Hellenized Asia Minor Christianity
Note that the above file does not include the footnotes. These have been collated into a separate file: Vol 2 Footnotes