Disclaimer: I'm not responsible for any damage caused to your vehicle or any injury you may incur from doing this as it is only a guideline to follow.
I give this a 1 out 5 difficulty. You have to remove the front bumper to install this grille properly, but removing the bumper on the GenCoupe is ridiculously simple. After positioning the ARK grille in its new home I found I could get a tighter fit by removing the OEM tabs that stick up & drilling my own new ones. So I have listed a few additonal tools that would not normally be necessary for this modification.
Tools needed: Phillips screw driver for removing all the plastic plug screws, 10mm socket wrench used to take off the front bumper & a pair of pliers to twist the metal wires coming out of the back of the ARK grille. The only other tools I used were a pair of dykes for cutting the OEM tabs & a file to file them down, plus a drill & bit to make the new holes.
First line the ARK grille up to see how it will mount. Then you remove the grille & sit it to the side. If you have no intentions of removing the OEM tabs on the bumper, you can go ahead & remove the front bumper to start the installation of the grille from the backside.
Next I removed the tabs from the bumper cover with the dykes.
Then I filed the edges down of the remaining plastic of the tabs I just trimmed.
I decided to have my CF grille painted to match the center stripe of my hood (BMW Schwartz2 black).
The ARK CF-x grille has 4 pairs of metal wires coming out of the grille that will slide through the holes I drilled or the OEM tabs if left in place.
You will flip the front bumper cover over so you can access the back side and line the metal wires up to the holes threading them through & twisting the wires on the back side to keep the grille secure to the bumper cover.
Reinstall the front bumper cover with the newly attached grille & you're done!