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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > Correct Adhesive for E90 headlight



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      10-04-2013, 09:30 AM   #1
schmidtp
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Correct Adhesive for E90 headlight

Hey everyone,

This weekend my brother and I are going to attempt to open my headlights to paint them. I was wondering after I have painted and cleaned the old sealant off, what should I use to reseal it? I have searched and can't seem to find the thread I was reading before about the E90 and can only find the DIY's on the E92.

Much appreciated!

Patrick
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      10-04-2013, 09:42 AM   #2
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3m butyl or OCI butyl from theretrofitsource.
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      10-04-2013, 10:16 AM   #3
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Would this be acceptable? RTV 103. It is what my brother used on the overflow of his 180gal Fish Tank. I would believe it would hold water out of a headlight

http://www.amazon.com/Momentive-RTV-.../dp/B00746MIAI
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      10-04-2013, 02:30 PM   #4
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Quote:
Originally Posted by schmidtp View Post
Would this be acceptable? RTV 103. It is what my brother used on the overflow of his 180gal Fish Tank. I would believe it would hold water out of a headlight

http://www.amazon.com/Momentive-RTV-.../dp/B00746MIAI
Not knowing anything about sealing fish tanks or headlights, I wonder if the heat caused by a headlight would be an issue for the fishtank sealant.
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      10-04-2013, 06:24 PM   #5
schmidtp
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Yeah that is what we were thinking too. I sent a question to theretrofitsource and they gave me a really informative response and said "It's a butyl rubber, which is the same adhesive they use to install car windshields with." So I will see if I can track that down tomorrow, or just order it and do the project next weekend.
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      10-10-2013, 04:54 PM   #6
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Any auto body supply would sell windshield butyl just need a caulk gun .
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      10-11-2013, 09:25 AM   #7
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Already finished up the project, thanks though!
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      10-14-2013, 12:19 PM   #8
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Already finished up the project, thanks though!
How did it go?
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      10-14-2013, 12:45 PM   #9
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It went well. I posted some pics in the cosmetics section under OSS style blackout. I ended up using RTV 103 actually. It's been over a week and still no fogging
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