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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > What product to use to clean fog lights?



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      08-15-2010, 12:58 PM   #1
DC_driver
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What product to use to clean fog lights?

I noticed my foglights have a film on them. It may be Zaino from when I applied it to the bumper. What should I use to clean the film/residue off the fog lights that won't damage them?

I can scrape the film off with my finger nail but it scratches the plastic. Any recommendations?
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      08-15-2010, 01:58 PM   #2
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u can use some clay to get the wax off
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      08-15-2010, 02:36 PM   #3
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You might want to try isopropyl alcohol and a MF towel. If that doesn't get it I might go to clay as lopealle suggests.
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      08-15-2010, 09:27 PM   #4
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fog light cleaning

Will the alcohol damage the clear plastic or make it fog up?
I'll try the clay first.
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      08-15-2010, 11:03 PM   #5
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No, it shouldn't. You can cut it 50/50 with distilled water if you feel more comfortable but if it's a left over LSP it'll be gone in a second with alcohol and won't damage the plastic.

If it's still there after an alcohol wipe then try clay. If it's still there after clay it may be a film of oxidized plastic that wetsanding can fix.

Check back with us after the clay (whether that's your first or second attempt).
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      08-18-2010, 07:00 AM   #6
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Before you go to the trouble of wetsanding, you might want to try a cleaner/sealant like Klasse AIO (All-In-One). It's a chemical cleaner rather than an abrasive cleaner, and I use it regularly on all my lenses to keep them clean and clear. I even used it on my wife's 330i headlights to remove a slight haze, and it worked very well. The side benefit is that it leaves a protectant sealant over the lens to prevent further damage, especially UV.
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      10-16-2010, 05:19 AM   #7
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Did you clay your fog lights? What was the result?
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      10-16-2010, 10:48 AM   #8
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just try some meguiars plastic cleaner and plastic polish. Its cheap and works well. I use this stuff to do full headlight restorations all the time and it works awesome. First I wetsand with 3M but after my last step of sanding these two products make the headlight crystal clear and good as new. If you have a hazing problem it wouldnt hurt to polish the lights anyway and the plastic cleaner will remove any wax that may be on the surface so there is no need to clay them.
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      10-19-2010, 07:34 PM   #9
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fog lights

Forgot about this post. I tried alcohol and a clay bar. Neither did a thing to remove the haze. I didn't want to use anything too harsh and cause more damage. I thought if I use something abrasive, it would remove any UV protection?
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