Eitan's contact in 'Moscow' (Sofia) is there driving a Toyota with Bulgarian number plates. Four minutes later Eitan arrives at his destination in the same Toyota with Russian number plates.
When Benny picks Ronnie up, she climbs into the back seat of the car, right side, and buckles up. A few minutes later, arriving home, Ronnie is buckled in on the left side.
When Eitan arrives in 'Moscow' it is actually Sofia airport in Bulgaria.