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      07-28-2018, 05:59 PM   #23
Thunderguts
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Drives: 2009 128i Sport MT
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Here is a possibility, but you’ll need to figure out how it could apply to your situation. A clear polymer like the headlight housing will react to certain chemical out gassing. If, for instance, you used a cyanoacrylate glue, the fumes would absolutely cloud up the inside of the housing, but it would be more uniform. I think out gassing from silicone caulk would do the same thing. Maybe If you changed out the bulbs to something with a coating on it it’s causing minor out gassing that’s reacting with the inside of your housings. You would think that it would be more uniform, but the condensation that formed in my housing was speckled like that (due mainly from it evaporating when the bulbs heated up).
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