https://www.railway-technology.com/downloads/whitepapers/overhaul/alstom-coradia-lint-54-rail-friction-noise/
Bayerische Regiobahn announced in June 2020 they have replaced their old fleet with 31 new Alstom Coradia Lint 54 trains.
alstom coradia lintrailfrictionnoiserfn
https://www.railway-technology.com/downloads/whitepapers/data/alstom-coradia-lint-54-rail-friction-noise/
Bayerische Regiobahn announced in June 2020 they have replaced their old fleet with 31 new Alstom Coradia Lint 54 trains.
alstom coradia lintrailfrictionnoiserfn