These headlights were tough! Especially since I don't use any power tools (by choice). I had to start out with 400 grit paper for about 20 minutes or so on each light.
I spent more time on these lights than normal, but I always get a charge out of a challenge that turns out great!
And Larry the owner gave me a great review!:
I had Scott out today to do my lenses, and they look 1000% better!
Scott was right in his comment about folks typically trying the DIY method first!
That was just my approach, and by the time I found the task to be beyond my endurance and knowledge, I was TOTALLY ready to have a "Pro" go at it!
If they are bad, my input is to not even think about the DIY approach - you will be calling Scott soon, so why not save the cost of the initial outlay?
Take a look at that 530i - the before pics are AFTER my wife and I spent three hours with our DIY!
In three hours, including our non-stop BSing, Scott was able to completely turn it around! Look at those lenses!
As Scott posted "I can See!" Now, to be fair, I will be looking critically after a couple of months, and will be back here for an update - which I fully expect will be even more positive in the aggregate!
Larry M. Inglis, FL.
This is what I believe is the main cause of oxidation build-up on your headlights.......
Ok, so a (UV) coating is applied to your factory Auto headlight lenses to help protect these newer acrylic / plastic headlight and taillight lenses from the elements as well as the suns harmful (UV) rays.
It took scientific processes, testing and retesting to create these new Acrylic / Polycarbonate lenses as well as the (UV) coating that is applied to them.
In time this UV coating develops a layer of oxidation over the surface, a combination of oil, road grime and other air borne contaminants is what the oxidation is made up from and is cooked onto the lenses from the heat of the lights.
I believe this because in most cases I've seen if a car has turn signal lenses that are separate from the headlight lenses the turn signal lenses will have little or no oxidation.
This TOYOTA shown above is a perfect example of what I'm talking about.
NOTE: The top image, separate lenses. This is a before & after I restored the headlights, but I didn't do anything to the side lenses.
So I thought, why is the headlight so badly oxidated yet the turn signal looks great!
Well the sun should be shinning equally on both lenses and be heating up to the same temperatures without the lights being on.
The lights are not in the same housing, the turn signal and park lights do not get as hot as the halogen headlights do and the headlight casings are not vented near enough to disperse so much heat.
So I believe that most oxidation build-up occurs when your headlights are on, especially for long periods of time, Day or Night.
Eventually this oxidation will damage your factory UV coating and resurfacing them will be your only option. So it is best to have them de-oxidized in the early stages of oxidation. Before it starts to distort your headlight beam and range of view. By Scott Summerson
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Hello, Scott Summerson here, Here's a little about my experience: