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Technical Topics DIYs and Coding Discussions M340i Center Speaker Rattle Fix Instructions (with pics)

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      12-11-2021, 07:26 PM   #45
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Just did this fix, no more noise!
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      12-12-2021, 06:17 PM   #46
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Just did this today, rattle is fixed!!!! WOOOO!
I don't know if anyone else has this issue but for instance, I live in Florida so with the humidity and the AC vents up there hitting my window, I kept getting moisture build up right above the vents. So at the same time, I put tape over the vent area on the grill cover also. No more moisture spots on my windshield now!
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      07-15-2022, 06:55 AM   #47
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Bumping this thread because I was getting exact same problem in my new G42, M240i... the process shown in the first post, solved my issue too.

Also if anyone is willing to know how exactly disassemble the grid covering the speakers easily, this video will show you it step by step.


(minute 17:41)

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      09-29-2022, 08:50 PM   #48
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You must be a genius. Thank you so much!
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      09-30-2022, 12:49 AM   #49
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Thanks for this write up!
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      11-10-2022, 08:52 PM   #50
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This issue has been bothering me recently since I started listening to podcasts with hosts with deep voices/bad audio quality.

Ordered the tape and looking forward to doing this as soon as I can. The rattle drives me nuts. Thank you for the write-up.
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      02-17-2023, 01:06 PM   #51
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Felt tape was the perfect answer - not a rattle since!

Perfect Solution - Worked amazingly!
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      02-19-2023, 12:14 AM   #52
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Quote:
Originally Posted by BMW_Midlo_Man View Post
Perfect Solution - Worked amazingly!
Yup. I cannot believe such a small piece of tape worked wonders!!!
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      02-22-2023, 08:07 AM   #53
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Just did this! hope this fixed the issue. I pretty much put the felt tape all over the place where I thought the rattling could be coming from, not just the metal prongs and clips. I made sure all the bolts were tightened down as well. a loose bolt/washer may have been the issue but all seemed to be tight. Good thread tho!
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      05-02-2023, 12:42 PM   #54
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Quote:
Originally Posted by gnr4all View Post
First of all thank you to CyclingBroStyle for posting a solution to the speaker rattle problem. I just wanted to post instructions how i fixed it because the noise was driving me crazy and I hope this helps other people with this issue.

Step 1: I found that the cover wasn't easy to just lift up. The speaker cover has 6 clips as shown in the pic below. I used a card to wedge under the speaker cover and to push each clip in. I started with the bottom left clip (closest to steering wheel) I found that I had to push the card into the clip in order to release it and simultaneously lift the cover with a little force. Eventually one at a time, I released all 6 clips. It could be that you can just lift up the cover with pressure but it didn't feel to me as if it would work without breaking the cover



Step 2: Once I lifted the cover off I used felt tape to cover the plastic tab on the top of the speaker cover as shown in the picture below:


Step 3: I then covered those two plastic contact points by the speaker on the sides of where the plastic tab from the speaker cover connects to pictured below:


I then popped the speaker cover back in and now the rattle has gone away. I tested it in Sport+ mode under heavy acceleration and when raising the volume of the stereo under different frequencies.

This is a link to the felt tape I used:
https://www.amazon.com/gp/product/B01455QMX4

OMG �� IS THIS WHAG IVE BEEN HEARING WHEN I HAVE MY STEREO ALL THE WAY UP???

at first I thought my speaker was blown but was very confused when the “pop” noise that I was hearing when there was a kick drum would magically stop when u out a hand over the speaker cover. Also separately there’s a buzzing noise I’d hear over rough roads.

Also @gnr4all is your stereo the hifi or Harmon kardon? Just wanna make sure there’s no differences in the plastics
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      06-16-2023, 09:41 PM   #55
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Felt Tape Placement

Has anyone done this recently that can help me understand where to put the felt tape? It seems like the pics from the OP have disappeared. I have attached a pic if someone wants to mark it up and repost. Any help is greatly appreciated!
Attached Images
 
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      06-18-2023, 06:15 AM   #56
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Thanks for this post! As others have mentioned, removing the grill can be a chore as the metal clips BMW uses are very hard to release. Spent about 30-40 minutes with my iFixit tool kit but finally got it off. The felt pads have solved the issue!
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      06-26-2023, 08:47 PM   #57
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thanks for the post. worked perfect. now on to the next g20 issues.
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      12-02-2023, 04:36 PM   #58
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Thanks for the write up, I followed the steps and fixed my annoying vibration/rattle when I accelerate. Quick and cheap fix! 👍🏻
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      01-02-2024, 08:05 PM   #59
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Quote:
Originally Posted by tazzi831 View Post
did this today - worked like a charm.

now the passenger door started rattling 2x worse than the damned center speaker ever did. i've pressed and banged on everything - nothing. i think it's inside the door...

srsly.
Hey did you ever figure out the rattle in the door problem, i have the same thing in my 2020 m340i
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      01-04-2024, 02:19 PM   #60
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Just did this mod, everything was great except 1 of the metal clips fell down into the hole in the dash LOL. I don't hear it so I guess its fine. I supposed I should replace the clip though. anyone have any idea of a part number?
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      01-12-2024, 11:07 AM   #61
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here is the part number for the metal clips if anyone else needs it

07147468646
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      02-13-2024, 10:13 AM   #62
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Quote:
Originally Posted by Don Mico View Post
Thank you gnr4all, Crevier BMW fixed it using the same solution.
Can you please tell me if dealer cover this fix under warranty?
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      02-13-2024, 11:56 AM   #63
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This is such an easy fix it’s not worth the time and hassle to take it to the dealer.

But I suppose it would be.
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      04-22-2024, 12:18 PM   #64
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Quote:
Originally Posted by gnr4all View Post
First of all thank you to CyclingBroStyle for posting a solution to the speaker rattle problem. I just wanted to post instructions how i fixed it because the noise was driving me crazy and I hope this helps other people with this issue.

Step 1: I found that the cover wasn't easy to just lift up. The speaker cover has 6 clips as shown in the pic below. I used a card to wedge under the speaker cover and to push each clip in. I started with the bottom left clip (closest to steering wheel) I found that I had to push the card into the clip in order to release it and simultaneously lift the cover with a little force. Eventually one at a time, I released all 6 clips. It could be that you can just lift up the cover with pressure but it didn't feel to me as if it would work without breaking the cover



Step 2: Once I lifted the cover off I used felt tape to cover the plastic tab on the top of the speaker cover as shown in the picture below:


Step 3: I then covered those two plastic contact points by the speaker on the sides of where the plastic tab from the speaker cover connects to pictured below:


I then popped the speaker cover back in and now the rattle has gone away. I tested it in Sport+ mode under heavy acceleration and when raising the volume of the stereo under different frequencies.

This is a link to the felt tape I used:
https://www.amazon.com/gp/product/B01455QMX4
Oh my god I’ve owned this car for months trying to find a fix for it. THANK YOU SO MUCH! haven’t tried it yet but im sure this will fix it.
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