There's broken glass all over the floor as they enter from the patio, but there's no glass at all when the pit bull walks in.
The BMW is parked in front of the garage when they get home at night, but in the morning it's on the ramp as they shoot out with it, escaping the Chinese.
During the failed heist, Marcell's (Béla Mészáros) water-resistant wristwatch disappears. He has it as they dive into the thermal water, but he's no longer wearing it when they climb the air shaft.
As they escape the prison, the BMW license plate number alternates between 275 and 276 from shot to shot.
When the team is planning the heist, there's a very apparent faux sliding-door in front of the vault, which the security guard opens. This door is never visible again when they approach the vault.
The walls of the air shaft wobble slightly as Béla Mészáros (Marcell) and Andrea Petrik (Alexa) cut through the drywall.
Béla Mészáros (Marcell) and Ákos Inotay (Adrián) lower themselves through the geothermic pipes from an opening on the hotel roof. However there was no way for then to get on top of the hotel building, especially with the top floor being restricted and heavily guarded.