Bodensee Oberschwaben Bahn (BOBFN) operated local services between Aulendorf and Friedrichshafen using pairs of blue class 650 single units. 650.357 and 650.356 worked BOB87575, the 13:08 from Aulendorf to Friedrichshafen Hafen, through the Schussentobel, north of Mochenwangen on 5 May 2013.