Originally Posted by nick325xit 5spd

I'm just going to point out that I polished my in-law's E53 (now confiscated and sold to a friend) several years ago. It has been outside essentially the entire time since, and the headlights still look fine. I think that people over-value the whole UV protection aspect. It's not clear that this is worth it vs. maybe having to polish the lights again in 3-5 years.