When Baptiste and Anderssen are stopped by the Peshmerga soldiers, one of them is carrying an Airsoft AK rifle instead of a real one. When they climb in the back of the truck, the end of the barrel is visible.
At around 51:23 the Police is going to question the shop owner. The opening times can be seen written on the door. The word "Sonntag" (Sunday) is spelled wrong. And it's very uncommon in Germany to open shops on Sundays.
At around 40:20 you see David Morrissey's character uncovering the old "Jaguar". On the license plate you read "H-TE93202". "H" stands for the city of "Hannover". But there are no 5-digit license plates in Germany.
When Celia uses her tablet to send Julian the video of Sophie Giroux, the file that she clicks on is clearly called '2_21 Celia Search and Email UPDATE 3.swf', meaning she's using a flash file written for the show, not an internet browser.