The Seventh Bieleschweig Workshop on System Engineering was held on 4th and 5th May, 2006 in München (Munich), hosted by the DB Systemtechnik (the System Engineering Department of the German Railways). The proceedings (slides from the talks) are at The Seventh Bieleschweig Workshop page (information in German, slide sets from the talks in both German and English) at the Technical University of Braunschweig.