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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Exploding Sunroofs: Not just a BMW problem



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      10-16-2017, 11:16 AM   #1
PTinVT
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Exploding Sunroofs: Not just a BMW problem

http://www.thedrive.com/sheetmetal/1...a-report-finds

BMW 10th in occurrences, out of 35 brands [just in occurrences, not as a % of sales]

No BMW models in top 10

[worst: Hyundai]
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      10-17-2017, 11:02 AM   #2
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27 reports in 22 years. millions of cars.. You're more likely to get struck by lightning.
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      10-17-2017, 08:40 PM   #3
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This happened to a co worker of mine, Hyundai Veloster, 6 months old, parked in traffic and it exploded all over him and his young daughter.

Showered them with glass
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      10-17-2017, 09:01 PM   #4
Welcome to NBA Jam
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Quote:
Originally Posted by EB89 View Post
This happened to a co worker of mine, Hyundai Veloster, 6 months old, parked in traffic and it exploded all over him and his young daughter.

Showered them with glass
Do you think it may be related to heating/cooling cycles both inside and outside the car coupled with manufacturing flaws?
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      10-17-2017, 11:59 PM   #5
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Friend has an 2016 infinity q60 won't back to the dealer 5 times for a freezing computer, 5th time on the drive home from the dealer sunroof exploded.
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      10-18-2017, 12:24 AM   #6
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Do you think it may be related to heating/cooling cycles both inside and outside the car coupled with manufacturing flaws?
Shitty glass.

Even OEM BMW glass is made in China now.
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      10-18-2017, 02:15 PM   #7
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Originally Posted by hassmaschine View Post
Shitty glass.

Even OEM BMW glass is made in China now.
Ugh. Did not know that.
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      10-18-2017, 02:25 PM   #8
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Well, technically they use many producers - but the original glass on our E91 was made in China.
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      10-18-2017, 07:33 PM   #9
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Quote:
Originally Posted by Welcome to NBA Jam View Post
Do you think it may be related to heating/cooling cycles both inside and outside the car coupled with manufacturing flaws?
I think it was just poor glass quality.

It was early morning, car had been sitting all night, so interior and exterior wouldn't have been very different, he was about 10mins into the drive from home toward his daughters school, stopped at light,so its not like he hit a pothole, or it was extremely hot or cold outside etc.

He said it sounded like an explosion, it was so loud.
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      10-18-2017, 09:56 PM   #10
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I wonder if chassis flexing is a contributing factor.
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      10-19-2017, 02:53 AM   #11
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This also happened on my dad's M37 Infinity.... it was messy
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      10-19-2017, 10:35 AM   #12
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Quote:
Originally Posted by EB89 View Post
This happened to a co worker of mine, Hyundai Veloster, 6 months old, parked in traffic and it exploded all over him and his young daughter.

Showered them with glass
As the article noted, the increasing size and complexity of the sunroofs MIGHT be a factor - look at the Veloster, the roof is all curved glass going from edge to edge.

[That doesn't explain, however, why regular simple rectangular panels explode every now then... ]
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      10-19-2017, 11:15 AM   #13
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The sunroof on an acquaintance's F32 just exploded yesterday. Weather has been mild (8-12C) and raining so I don't think the issue is temperature related. Scary stuff.
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