The BvB lost at home to Hoffenheim this Sunday as part of the 23rd day of the Bundesliga (2-3).
If Malen (21e) and Schlotterbeck (25e) struck for the Borussen, Hoffe had the last word thanks to a goal from Bebou (2e) and a double from Beier (61e64e).
Dortmund, fourth, remains six lengths behind Stuttgart, third, under the direct threat of Leipzig relegated to one point.
Hoffenheim, for its part, climbs into seventh position, four units behind the first European ticket held by Frankfurt.