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Old 06-18-2008, 11:13 AM   #1
Dr. Flyview
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Question How to stop rear deck vibration!?!



It's driving me insane. The rear deck behind the rear headrests always vibrates and makes noise. Also, the little plastic air vent piece within it too!

UGhhh, suggestions??
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Old 06-18-2008, 01:37 PM   #2
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take off the speaker panels. push a little peice of a spunge in each corner of each speaker panel. it will stop most of the vibrations.
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Old 06-18-2008, 07:41 PM   #3
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are the four tabs that hold it in by the back window broken at all?
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Old 06-18-2008, 08:14 PM   #4
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Not sure. Instructions on how to remove it?
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Old 06-18-2008, 08:36 PM   #5
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Pull rear seat out, remove 4 clips at front edge of deck lid and slide forward. There should be 4 tabs that stick out the back and tuck into little holes to hold it in place. If the tabs are broken off then it will just flap like crazy, the solve this issue go to home depot and get black foam tubing...the kind made to cover copper hot water pipes that has the slit down the side. Then cut 2 pieces about 2 ft long and slide over the back edge of the deck lid. Also putting some foam under it will help.
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Old 06-18-2008, 10:51 PM   #6
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I put a thin piece of folded construction paper between the top of the 3rd brake light and the rear windscreen and it killed 90% of my vibrations!
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Old 06-18-2008, 11:23 PM   #7
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Remove it altogether and replace it with a roll cage

I hate the rattling, for a while I just crammed a couple tissues into the vent.
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Old 06-20-2008, 01:31 PM   #8
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I fixed mine a few weeks back, in about 3 mins.

First, don't bother with the full disassembly of the rear of the car just yet. Get 2-3 old shirts and crawl into the trunk. There will be like 4 rectangular ports that lead into the rear deck (they're obvious when you get in there). Start jamming the shirts into the holes, pushing them up and in different directions. I got 2 t-shirts and like 3 socks up in there.

Result? Completely silent. Yeah actually removing the deck (which involes the seatback, the c-pillar covers, and breaking a few clips along the way) and placing foam is the proper way, this one works just as well functionally, and the ghettoness is hidden from view.
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Old 06-20-2008, 01:37 PM   #9
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Originally Posted by Mystikal View Post
I fixed mine a few weeks back, in about 3 mins.

First, don't bother with the full disassembly of the rear of the car just yet. Get 2-3 old shirts and crawl into the trunk. There will be like 4 rectangular ports that lead into the rear deck (they're obvious when you get in there). Start jamming the shirts into the holes, pushing them up and in different directions. I got 2 t-shirts and like 3 socks up in there.

Result? Completely silent. Yeah actually removing the deck (which involes the seatback, the c-pillar covers, and breaking a few clips along the way) and placing foam is the proper way, this one works just as well functionally, and the ghettoness is hidden from view.
+1

That was already done when I bought my car. dishcloths and rags ftw.
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Old 06-20-2008, 02:45 PM   #10
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hahahah nice.

How did bmw overlook this? And how were they silent when new? ...or were they

I didn't know almost everyone had this problem.
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Old 06-20-2008, 02:49 PM   #11
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hahahah nice.

How did bmw overlook this? And how were they silent when new? ...or were they

I didn't know almost everyone had this problem.
I guess BMW doesn't look into how subwoofers affect 15 year old cars.
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Old 06-20-2008, 02:50 PM   #12
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I get it vibrating just driving dawg
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Old 06-20-2008, 02:51 PM   #13
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I get it vibrating just driving dawg
really? That's weird.
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Old 06-20-2008, 04:49 PM   #14
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Originally Posted by Mystikal View Post
I fixed mine a few weeks back, in about 3 mins.

First, don't bother with the full disassembly of the rear of the car just yet. Get 2-3 old shirts and crawl into the trunk. There will be like 4 rectangular ports that lead into the rear deck (they're obvious when you get in there). Start jamming the shirts into the holes, pushing them up and in different directions. I got 2 t-shirts and like 3 socks up in there.

Result? Completely silent. Yeah actually removing the deck (which involes the seatback, the c-pillar covers, and breaking a few clips along the way) and placing foam is the proper way, this one works just as well functionally, and the ghettoness is hidden from view.
+2! I just did this an hour ago and the difference is definitely noticeable. Most, if not all of the audible rattle inside the cabin is now gone
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Old 06-20-2008, 05:37 PM   #15
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Yeah, mine was doing it at highway speed, constantly. People kept asking me wtf is wrong with my car. It also did it on every bass note. The reason it happens is the foam insulation flattens over time, leaving the gaps which allow the deck to move up and down.

I'm glad the ghetto-fix works for others, lol.
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