The keypad on the bomb is inconsistent between views. In most close-ups it shows, top to bottom: '1 2 3 a' '4 5 6 b' '7 8 9 0', but when Damien tries to enter the last digit, the key 3 is in the bottom right corner.
When Keijman leaves the Ministry he gets into a Mercedes with license plate "654 EGT 75". In the next cut, the license plate has changed to "388 EGU 75".
In the English dub, when the code is being typed into the bomb, Tomaso reads it as "D13", but types "B13", due to the translation of Banlieue as District.