Anyone ever polished there glass lenses on their US ellipsoid equipped cars or euro lamp swaps? there are ways to polish glass (can't use sand paper really since glass is the same hardness) outlined on sites mainly for windshield reconditioning. Just wondering how it turned out because i'm thinking of doing it with mine.
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I polished my early euro lenses, with rubbing compound and machine that is used to polish paint. Problem is that method is really slow and doesn't remove deep rock chip marks. After that I applied some 2-component automotive clearcoat to lenses, it made them appear much better. The clearcoat how ever doesn't last long on lenses, it dulls and is cracked easily.Current:
BMW 320i 2d 2.0 m20 -88
BMW 325i Cabriolet 2.5 m50 -88
BMW 316i touring 1.6 m40 -90
BMW 320i 4d 2,2 m54 -01 -
Most sandpaper is made with quartz or garnet. Both are harder than glass. See Moh's hardness scale:
Glass - 5.5
Garnet - 6.5-7.5
Quartz - 7
Glass has no crystal structure, which is why glass made from melting quartz sand is weaker than quartz. You could also use alumina or silcon carbide grits, which are used to grind and polish rocks. SiC is harder than alumina and will polish alumina (hardness of 9) surfaces.
I wouldn't sandpaper my lenses, though. It would worry me that you would be modifying the way the light is supposed to be bent by the lens.sigpicComment
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the lenses in these cars dont do anythingYour signature picture has been removed since it contained the Photobucket "upgrade your account" image.
Originally posted by TimKninjaComment
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I know my father has done is before on his 635. I will find out all the info and the process and post it up when I get a chance.sigpicComment
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I just put OEM used euro elips in mine. They were in good shape but pitted. I painted them with clear coat and then covered them with Lamin-X. Turned out pretty good. They are actually so clear now that I can see the inside of the lenses needs to be wiped. I was an easy DIY with good results.Comment
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