Other mistake: The registration number of the Blue Triumph 2500pi squad car is TPA931N on the rear and UUV931N on the front.
Other mistake: During the hold up when Medhurst is sprung from the police van, the breakdown truck used to pull the doors of the van reverses towards the police van twice after releasing the chains off the doors before driving away, and the camera lights are reflected in the side of the white getaway car.
Answer: Scripted.