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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions Does your sunroof rattle?

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      06-01-2020, 04:02 PM   #45
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6000 miles, no rattling.
Car was built December 2019.
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      06-01-2020, 07:34 PM   #46
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No.
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      12-11-2020, 04:30 PM   #47
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Sunroof rattle present on mine but only when closed. The rear portion of the glass does have some up/down play when closed. I'll mention it to my dealer next month.
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      12-11-2020, 04:33 PM   #48
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July 2019 German build - no rattles
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      12-12-2020, 04:03 AM   #49
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I had problems with a noisy sunroof in my f34 - the dealer eventually took the headlining out (a big job!) and found that a couple of bolts holding the frame to the car had worked loose. Covered under warranty.
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      12-13-2020, 12:17 AM   #50
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Sunroof rattle

Dealer replaced the clips holding the passenger side sunroof frame to the car. Dealer said that it was a common issue.
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      12-15-2020, 12:30 PM   #51
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Mine does when closed. Have not bothered taking it in yet for that issue
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      12-15-2020, 01:07 PM   #52
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Mine's getting worse again with the colder weather out here. Probably going to have to bring it in soon as I believe rattles/noises etc are only covered for 1st year if I'm remembering correctly.

Does get better as the car warms up but still can't figure out exactly what's rattling or causing it to rattle. The glass itself doesn't have any okay in it. Think it may be how it's mounted which means it will be a PIA to fix and something I'd prefer to not have them messing with :
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      12-16-2020, 12:01 PM   #53
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4000 miles, absolutely locked tight. No rattles what so ever
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      01-05-2021, 11:25 AM   #54
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Quote:
Originally Posted by Greg340l View Post
Dealer replaced the clips holding the passenger side sunroof frame to the car. Dealer said that it was a common issue.

I just picked up a new 2021 330xi M Sport and my moonroof creaks only when closed. When open or tilted open it does not creak/rattle

Is there an open TSB for this? Anyone try fixing the issue with felt? I'm going to bring it in soon but I wouldn't want them ripping down the entire headliner on a brand new car ughh
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      01-05-2021, 02:16 PM   #55
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2021 330i here and my sunroof definitely rattles so not something they fixed with time. Has any had their dealer resolve this yet?
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      01-05-2021, 04:37 PM   #56
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Quote:
Originally Posted by JTYAMSHAYIN View Post
2021 330i here and my sunroof definitely rattles so not something they fixed with time. Has any had their dealer resolve this yet?
I had more of a creaking sound coming from my moonroof (extremely annoying). The dealer kept the car for 2 weeks but finally found the problem - had to change the moonroof cassette.
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      01-05-2021, 04:46 PM   #57
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Quote:
Originally Posted by RedKloud View Post
Quote:
Originally Posted by JTYAMSHAYIN View Post
2021 330i here and my sunroof definitely rattles so not something they fixed with time. Has any had their dealer resolve this yet?
I had more of a creaking sound coming from my moonroof (extremely annoying). The dealer kept the car for 2 weeks but finally found the problem - had to change the moonroof cassette.
Mine is creaking, as well. Not much of a rattle but the creaking is annoying as hell.

Was this "moonroof cassette" labor intensive?
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      01-05-2021, 05:43 PM   #58
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Quote:
Originally Posted by The Big Tuna View Post
Quote:
Originally Posted by RedKloud View Post
Quote:
Originally Posted by JTYAMSHAYIN View Post
2021 330i here and my sunroof definitely rattles so not something they fixed with time. Has any had their dealer resolve this yet?
I had more of a creaking sound coming from my moonroof (extremely annoying). The dealer kept the car for 2 weeks but finally found the problem - had to change the moonroof cassette.
Mine is creaking, as well. Not much of a rattle but the creaking is annoying as hell.

Was this "moonroof cassette" labor intensive?
They said it was... fully covered, of course.
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      01-06-2021, 03:44 AM   #59
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2020 German build, no rattles at all
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      01-06-2021, 06:53 AM   #60
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Someone needs to add a survey to this thread asking those who do experience rattles whether their cars were manufactured in Mexico or Germany. There is an implicit bias here against cars made in Mexico. (Or maybe it is more of a bias towards cars made in Germany.) I wonder whether we can really attribute build quality issues to country of origin. Maybe it occurs more in places with big temperature swings and/or rougher roads.
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      01-06-2021, 11:41 AM   #61
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mine does too. Front seal is the issue. I tried cleaning really well. Seems to go away for awhile. But always comes back. Next time at the dealer I will get it looked at..forgot last time.
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      01-09-2021, 08:05 PM   #62
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Mine rattles as well, ESPECIALLY right after you close it. It sounds like your pressing your knee into an old box spring mattress, not kidding. I took a video of it so I can show the dealer so they don’t hit me with the “could not replicate issue” line. I’ve had the car for 4 months with 3600 miles on it. Dropped it off at the dealer on Thursday for that and along with the speakers popping abs bass randomly cutting out at times ( I have the Harmon Kardon system).
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      01-10-2021, 05:54 PM   #63
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I had an intermittent sunroof rattle/squeak on the passenger's side. It finally acted up in front of the dealer. The clips holding the sunroof rail had to be replaced. Supposedly, not an unusual problem.
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      01-11-2021, 01:33 AM   #64
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Ive had my 2021 M340i (Mexico Build) for 2 months now. I first noticed the sunroof creak after I opened it for the first time. Ever since then, its noticeable every time there is body flex like dips in the road or in n out of driveways. Its very annoying to me as I should not have this issue on a car with 1500 miles. My IS350 went 45K with no sunroof creaks at all. I have an appointment tomorrow with the dealer to look at at so we will see what they can do.
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      01-11-2021, 03:47 AM   #65
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Quote:
Originally Posted by ArchJR View Post
Someone needs to add a survey to this thread asking those who do experience rattles whether their cars were manufactured in Mexico or Germany. There is an implicit bias here against cars made in Mexico. (Or maybe it is more of a bias towards cars made in Germany.) I wonder whether we can really attribute build quality issues to country of origin. Maybe it occurs more in places with big temperature swings and/or rougher roads.
It's not related to Mexico build.
People from Europe also report this.
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      01-14-2021, 03:09 PM   #66
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Quote:
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Mine rattles as well, ESPECIALLY right after you close it. It sounds like your pressing your knee into an old box spring mattress, not kidding. I took a video of it so I can show the dealer so they don’t hit me with the “could not replicate issue” line. I’ve had the car for 4 months with 3600 miles on it. Dropped it off at the dealer on Thursday for that and along with the speakers popping abs bass randomly cutting out at times ( I have the Harmon Kardon system).
Just an update- I dropped the car off exactly a week ago. Took 3 days for them to tell me that they “couldn’t replicate the issue”. I knew they would say that! I even gave them a video. Anyways, three days later they tell me that so I go to pick it up. I had the shop foreman sit in the car with me on the service drive and showed him within a minute and he said “yeah I can replicate that- I don’t know how you’ve been able to listen to that for two months”. THANK YOU. Just got an update and there is a TSB on this and the first attempt at a fix is a lubricant BMW is sending. If that doesn’t work, they are required to send a follow up video of the noise if still present and then BMW will have to send additional parts.
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