At the end of the ritual scene, one of the deceased dancers on the left side of the screen clearly has their head showing, but in the next shot it's edited out again.
When Susie first enters her new dorm room the camera shot from down the hallway shows Sara and Susie placing the bags down on the floor near the doorway, but the next shot shows Susie carrying forward into the room with her items still in her hands.
When Susie (D. Johnson) is lying on her bed, questioned by Mdme. Blanc (T.Swinton), she (Susie) is first shown from rear, with her feet as on top of one another (left on right): when latterly seen from front (M. Blanc P.O.V.), her left foot now rests (toes now point) over her right foot.
In the Mdme Blanc (T.Swinton) initial interview scene of Susie, she is smoking, but several times her front (Susie's P.O.V) cigarette holding hand position does not match that from behind Mdme Blanc shots.
The film opens in West Berlin in 1977, with protesters chanting, among other things, "Free Meinhof!" However, Ulrike Meinhof was already dead by that point. She was found hanged in her prison cell a year earlier than the film is set, in May 1976.
The movie is set in the so called: "Deutscher Herbst", the peak of left-wing RAF-terror in 1977. This period was quite warm with fair weather. The movie however shows low temperatures, heavy rain and snow. While this was probably meant to underline the dark tone of the plot, it is historically incorrect.
The song "Auf'm Friedhof" from Nina Hagen Band can be heard playing in of the girls' rooms. The film is set in the year 1977, but this song was not released until February 1978.
During the ritual scene, Susie grants Patricia's wish for death. After Patricia falls to the floor, you can see her continue to make conscious movements, despite being dead.
When Dr Klemperer is escorted out of the building after the big horror scene, they walk on the Western side of the Berlin Wall, and the Eastern side is all darkness. In reality in 1977, all-night floodlights would have been blazing.