During the car chase (around 18 minutes in) there were 2 different Volvos driven by Templar. Part of the time there is a logo on rear side panel, other times it is gone. Some of the footage was reused from an earlier episode.
When Simon bows to his new partner, he touches his forehead to the mat. To show your opponent the back of your neck is considered an insult. A martial artist would not take his eyes off of the opponent during the bow.