From 1968 the VT 125 bore the EDV class number 612, the VT 126 was redesignated as the Class 613. After initially operating from Cologne and Dortmund the DMUs were based for many years at the Hamburg-Altona railway depot and, from 1982, stationed at the Brunswick depot.
From 1968, the VT 125 received EDV class number 612, and the VT 126 was renumbered as Class 613. Initially operating from Cologne and Dortmund, the DMUs were based at the Hamburg-Altona depot for many years before being reassigned to Brunswick in 1982.