Magnum passes the same VW Beetle twice while trying to catch up with Higgins.
From the time Mandy places the bomb, set for 5:00 minutes, in the gas tank of the Audi to the time the bomb actually goes off is a lot more than a mere 5 minutes.
In between close-ups of Magnum peeking at the guard dogs through a slot in his guest house door, a shot from further away shows the slot to be closed.
No matter what specific lens the recon photographer is using, it is too short to get close-ups of a human face on the balcony from out in the surf, and its aperture is not wide enough to get sufficiently short exposure times to avoid camera shake blurring the images when shooting from that catamaran, especially free-hand.
Ffolkes is called Brigadier General in the credits and by some characters. The rank of Brigadier General was abolished in the British military in 1922, and replaced by Brigadier.
During the TV news broadcast, the audio of the reporter repeats.
When the British security guards shoot Mandy, Magnum is immediately behind her, putting him directly in their line of fire.
Magnum is told that the IRA factions are operating "out of Ulster". While this may sound to viewers like a significant tidbit of intelligence, the fact is that Ulster is the formal name for Northern Ireland.
After Mandy replaces the gas cap in the Audi the crew can be seen reflected along the side panel of the car.
When Magnum gets into the Ferrari at the estate before chasing the Audi, a crew member is clearly seen in the driver's side mirror before Magnum closes the door.