How many of you have simply used a cleaning kit on the plastic headlight covers that always turn bad after years of use and abuse and was satisfied with the ADDITIONAL LIGHT that was produced afterwards or was it mainly aesthetic reasons only?

Asking because mine is bad again, I didn't clear coat last time which I think is a requirement BUT even when I did it last time I didn't feel like it made it light output/lumens actually better by much.

So I'm trying to weigh between cleaning again or getting a new set... I would love some glass, which I got in my last e36 not I heard they don't really make those anymore?

And do you guys use any tool to measure light output for your car lights?

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