When the briefcase is shot, a huge spray of gunk goes all over the inside of the windshield. The Driver only wipes off a small part of it so he can see, but a short while later the inside of the windshield is clean.
When they drive off after stopping on the bridge, the license plate on the BMW Z4 appears to be a California plate. However, when they were chased by the helicopter seconds earlier, the same license plate appeared to be a foreign or diplomatic plate.
While the setting is supposedly an African country, the road they are driving down is a US road with double yellow lines. The trees along the highway are coniferous (pine) trees which do not grow in Africa.