Until 30 May 1965 was also needed a second engine change in Bolzano station, as the Bolzano–Brenner section still operated under three-phase AC electrification.
30. maini 1965 oli vaja veel teistki mootorivahetust Bolzano jaamas, kuna Bolzano–Brenneri lõigul opereeriti veel kolmefaasilise vahelduvvooluga.