Diesellocomotive Bm 840 # 411 "Eugen" of the BRM (BRM Investment AG, Frauenfeld), in the "Schweizerische Speisewagen Gesellschaft" paint scheme of Bruno Müller, is pulling the former SBB dynamo meter measering car Xd4ü # 99701, built in 1913, on a test run from Winterthur via Bülach to Schaffhausen and back. Now privately owned and numbered As 55 85 89-03 701-6 CH-BRM. The car has a grey primer paint and will later become green. It had been rebuilt by "Historic Rail Service Gmbh" in Winterthur over the last months. The Bm 840 # 411 was built in 1964 by SLM Winterthur for the SBB as Bm 4/4 # 18411, withdrawn in 2015 and running for BRM since 2017.