VR was searching a diesel motor car to be used on low traffic regional services on non-electrified tracks years after the last of the earlier diesel motor car series had been decommissioned by the end of the 1980s, and diesel locomotive pulled passenger trains had been found to be uneconomical for small-demand services.

[1] The first unit arrived to Finland earlier than expected, on 18 December 2004, after being tested in the Czech republic.

[3] After a month and a half of usage without problems, it was serviced in June 2005, including a change of seats and modifications to the air intake.

[8] The multiple units were temporarily replaced with trains pulled with diesel locomotives or buses.

[10] The units had re-entered service in July 2012 after the faulty fuel lines were replaced.