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Old 02-26-2013, 07:51 AM
HPIA4v2 HPIA4v2 is offline
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Location: washington
 
Join Date: Mar 2006
Posts: 2,173
Mein Auto: E60, E71, E92
Quote:
Originally Posted by NSBMW04 View Post
I have tried 3M and Diamondite head light restoral treatment on my vehicle with the results ending up with them very clean on the out side and I know that is what those products are designed to do but my headlights seem to have a film of grime on the inside of them . I was wonderng is there an way to clean the inside ?
you either lives close to the ocean (area like Florida) or have a broken moisture barrier on the headlamps, the latter is unlikely if happens on both headlamps. I am talking about a rubber flapper that allows moisture to escape but not in.

You can always buf the outside, that usually improve the condition of the headlamps. I don;t have guts to open it, I heard older headlamps like prior to 2004 can be baked and opened. but my concern is how are you going to regulate the temp(even if you know the exact temp to soften the seal/glue) in home oven, it can be off as much as 10% then cycle up-down, too risky.

How about just remove the headlamp, use micro-fiber sprayed with glass cleaner around a tongue and buff it slowly, insert the tongue through the H7/DS1 xenon bulb opening.
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