24.5 meter compartment cars:
10-compartment cars built in Bulgaria, angular windows, different types of doors: Am 10-15, Ame 10-47, Bm 20-15, Bm 20-47. Some 2nd class cars with 6-seat compartments
are renumbered ex-1st class cars, some 1st class cars are numbered as 2nd class (20-47).
9-compartment cars built in Bulgaria, sloping sidewalls: Am 19-74, Bm 29-74.
The Ame 19-40 and Bme 20-40 are partly Y/B70 cars delivered 1982, partly ex-DR cars either UIC-Y or Y-B70 ex "Städte-Express".
AB 30-40 are all ex DR.
26.4 meter types:
Bmz 21-40 were built in Halberstadt for DR, Bimz 22-97 were rebuilt from this type for German InterRegio trains (combined compartment/open).