This is EVB DMU 153 (ex-DB 628/928) at Bremervörde station. On this day, there were four of the five DMU's of this type stabled at Bremervörde. This is because it was a holiday, so there was only need for one DMU on the whole track Bremerhaven-Hamburg.
Picture taken at the occasion of Bahnhofsfest 1998 by Jürgen Roßkamp (doc@fischtown.de). October 3rd, 1998.