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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Cosmetic Maintenance: Wash, Wax, Detailing, Repairs > Headlight lense cracking
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      10-07-2018, 05:28 PM   #1
SteelBlue46
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Headlight lense cracking

Hey, everyone. It seems the lenses on my headlights have little cracks in the lense that you cant feel on the outside. They dont feel pitted from rock chips and defenitly look like little fractures in the lense. I was wondering what causes this and if theres a way to fix it. it makes the headlights look pitted or dirty and takes away from the overall look. I added some pics to clarify what I'm talking about. Thanks!

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      10-07-2018, 05:53 PM   #2
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See https://www.bimmerfest.com/forums/sh.../topics/842929
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      10-07-2018, 05:54 PM   #3
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Had that similar problem with our previous 2013 328i where the left lens had tiny stress fracture lines. The right lens was ok. Thankfully, it was still under warranty and the dealer replaced the lens. I suspect the lens was forced attached and over a period of time, developed tiny crack lines. See the link above posted by eddymerckx3.
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      10-07-2018, 06:01 PM   #4
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Thanks guys! I still have alittle left of my CPO Warrenty. I'll try to email my SA tomorrow about the stress fractures and see what he says. Hopefully I'll get lucky like most people in that linked thread. Thanks!
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      10-07-2018, 06:03 PM   #5
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Here's another thread: https://f30.bimmerpost.com/forums/sh....php?t=1081193
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      10-26-2018, 12:28 PM   #6
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After a long wait the dealer says the BMW rep said that the lenses wont be covered by CPO warranty. I guess I'll have to live with them till a good used set pops up somewhere. Thanks for the help guys!
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      10-26-2018, 01:20 PM   #7
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Quote:
Originally Posted by SteelBlue46 View Post
After a long wait the dealer says the BMW rep said that the lenses wont be covered by CPO warranty. I guess I'll have to live with them till a good used set pops up somewhere. Thanks for the help guys!
Surprised no one told you CPO does not cover cosmetic issues such as this.

There are some non OEM BMW lens covers on eBay that a few have used for replacement. No idea how they work. They obviously do not have BMW logo on the lens.
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      10-26-2018, 01:26 PM   #8
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Quote:
Originally Posted by IK6SPEED View Post
Quote:
Originally Posted by SteelBlue46 View Post
After a long wait the dealer says the BMW rep said that the lenses wont be covered by CPO warranty. I guess I'll have to live with them till a good used set pops up somewhere. Thanks for the help guys!
Surprised no one told you CPO does not cover cosmetic issues such as this.

There are some non OEM BMW lens covers on eBay that a few have used for replacement. No idea how they work. They obviously do not have BMW logo on the lens.
Good info! Surprised that the dealership didnt just tell me that from the get go. I used some replacement lenses from Bimmian.com on my E46 but the E46 lenses only clipped on. I assume the F30 ones are sealed and need to be baked off. Never baked headlights before and I'm not totally sure how confident I am on experimenting on my ~$1200 headlights but I'll look into it. Thanks!
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      10-26-2018, 01:35 PM   #9
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Quote:
Originally Posted by SteelBlue46 View Post
Good info! Surprised that the dealership didnt just tell me that from the get go. I used some replacement lenses from Bimmian.com on my E46 but the E46 lenses only clipped on. I assume the F30 ones are sealed and need to be baked off. Never baked headlights before and I'm not totally sure how confident I am on experimenting on my ~$1200 headlights but I'll look into it. Thanks!
There are multiple sellers.

I cannot speak for the quality.

https://www.ebay.com/itm/1-pair-Head...6/173064351428
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      12-11-2018, 08:39 PM   #10
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I just noticed this on my car this morning. I just got this F31 two days ago. I have 6000 miles left of my factory warranty till the CPO takes over. I'm going to see what they can do about it.
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