When Doyle is talking on the radio to Cowley about Dunston, he is driving along a road alongside fields. When he is next seen a second later, after a brief cutaway to Cowley, he is driving down an urban residential street.
Banknotes weigh 1 gram apiece. 1 million pounds in denominations no larger than tens would therefore weigh 100 kg minimum. A strong person could lift this but no way sling it around like they do in its case.
Despite the "RAF Pirbright" sign seen when Bodie and Doyle leave, Pirbright is actually an army base, not a Royal Air Force base.
During his radio conversation about Dunstan, Doyle's car has no rear view mirror.
Doyle's hair is supposed to be permed, all of a sudden its gone from being permed to straight.