On the weekend august 26/27, 2023, a large vehicle meeting was organised in Olten by the association "Team 10439". "Blue Arrow" articulated railcar BCFe 4/6 # 736 of the BLS Stiftung (BLS foundation) from Burgdorf is entering the event area in Olten depot. This iconic vehicle was built in 1938 by SIG and SAAS for the BLS.