I found out that it's easier to polish the headlights if they are on the car.
ontopic:
Removed injector #4 to get it refurbished (high trim value) only to find out that the hold down bolt is cut down to half. The remainder of a bolt is in the hole. Shop which refurbed the injector 2 years ago said they installed a new bolt.
Awesome!
Caliper is extended to how long the bolt should be: