Rear Deck Rattle... FIXED

ThatOneGuy · Mon, Feb-20-2006, 02:48:43 AM

Well, I've done every fix posted on all the different boards. I've stuffed yards of velcro under there, tried the bolt fix (won't work on '06 M3's), used tennis balls and felt taped the sub, every clip, bolt and trim piece. Nothing worked.

Here's my particular solution: Remove the battery tray cover in the trunk, it's on the passenger side. Look down into the battery well. There is a black plastic shield between the positive connection and the well wall. It's held in place by a clip and a bolt. The clip attaches to the 'north wall', if you will, and the bolt attaches to the 'west wall' or interior rear fender. For those of you that have installed the factory alarm, the bolt also holds the tilt sensor in place.

Remove the shield and completely cover the back of the shield with felt tape (or something similar). Put some felt tape on on the sheet metal where the shield touches (when you replace it). And replace the shield. Done.

No more rattle. I would have sworn it was coming from the rear deck. I am so f'ing happy!

*UPDATE ON PAGE 7* I tackle the B-Pillar Trim, Post #67.

ThatOneGuy · Mon, Feb-20-2006, 04:59:19 AM

Ok... anyway the point is, if you can't fix your rattle, check out this possible cause.

jflip426 · Mon, Feb-20-2006, 05:39:03 AM

I'm gonna check this out, this sound usually comes out when you hit bumps right?

ThatOneGuy · Mon, Feb-20-2006, 05:53:58 AM

Quote:

Originally Posted by jflip426

I'm gonna check this out, this sound usually comes out when you hit bumps right?

Exactly! Bumps or rough pavement. It made a vibrating, buzzing, rattling noise that was making me insane. Especially since every fix thread I read and tried didn't work. Since a lot of members installed the factory alarm themselves, I thought this would be helpful. Hope it works for you too.

jflip426 · Mon, Feb-20-2006, 06:08:33 AM

Thanks, I'm gonna try it tom. Its under the cover of the battery right?? Just put tape?

jotti · Mon, Feb-20-2006, 06:16:53 AM

It happens to me when I have the sub on full bass setting and am listening to music moderately loud.

jshin80 · Mon, Feb-20-2006, 07:50:46 AM

hm...
my service manager is replacing whole rear deck for that matter...
will see, if that cures it...
otherwise, i got to try your method.
good info~~~

jflip426 · Mon, Feb-20-2006, 11:03:24 AM

they're changing your whole rear deck??! keep us posted with what happens. I have this noise in the rear right side that annoys me like anything.

M3Tech · Mon, Feb-20-2006, 12:04:01 PM

Quote:

Originally Posted by ThatOneGuy

Well, I've done every fix posted on all the different boards. I've stuffed yards of velcro under there, tried the bolt fix (won't work on '06 M3's), used tennis balls and felt taped the sub, every clip, bolt and trim piece. Nothing worked.

Here's my particular solution: Remove the battery tray cover in the trunk, it's on the passenger side. Look down into the battery well. There is a black plastic shield between the positive connection and the well wall. It's held in place by a clip and a bolt. The clip attaches to the 'north wall', if you will, and the bolt attaches to the 'west wall' or interior rear fender. For those of you that have installed the factory alarm, the bolt also holds the tilt sensor in place.

Remove the shield and completely cover the back of the shield with felt tape (or something similar). Put some felt tape on on the sheet metal where the shield touches (when you replace it). And replace the shield. Done.

No more rattle. I would have sworn it was coming from the rear deck. I am so f'ing happy!

I will try that, thanks!

ThatOneGuy · Mon, Feb-20-2006, 03:01:35 PM

Quote:

Originally Posted by jflip426

Thanks, I'm gonna try it tom. Its under the cover of the battery right?? Just put tape?

Yes, felt tape on the back of the shield and on some on the sheet metal where the back of the shield touches it.

Mon, Feb-20-2006, 02:48:43 AM	#1
ThatOneGuy In the left lane, flashing to pass. Join Date: Jul 2005 Posts: 4,473 Reputation: 0 Location: SF, CA	Rear Deck Rattle... FIXED Well, I've done every fix posted on all the different boards. I've stuffed yards of velcro under there, tried the bolt fix (won't work on '06 M3's), used tennis balls and felt taped the sub, every clip, bolt and trim piece. Nothing worked. Here's my particular solution: Remove the battery tray cover in the trunk, it's on the passenger side. Look down into the battery well. There is a black plastic shield between the positive connection and the well wall. It's held in place by a clip and a bolt. The clip attaches to the 'north wall', if you will, and the bolt attaches to the 'west wall' or interior rear fender. For those of you that have installed the factory alarm, the bolt also holds the tilt sensor in place. Remove the shield and completely cover the back of the shield with felt tape (or something similar). Put some felt tape on on the sheet metal where the shield touches (when you replace it). And replace the shield. Done. No more rattle. I would have sworn it was coming from the rear deck. I am so f'ing happy! *UPDATE ON PAGE 7* I tackle the B-Pillar Trim, Post #67. Last edited by ThatOneGuy; Wed, Jun-25-2008 at 06:17:33 PM.

Mon, Feb-20-2006, 07:50:46 AM	#7
jshin80 Registered User Join Date: May 2005 Age: 33 Posts: 1,033 Reputation: 0 Location: Speedway, IN	hm... my service manager is replacing whole rear deck for that matter... will see, if that cures it... otherwise, i got to try your method. good info~~~ __________________ [SIZE="2"][SIZE="1"]2003 Red S2000 - Curent 2003 M3 6speed TiAg - SOLD [FONT=Comic Sans MS]

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Mon, Feb-20-2006, 04:59:19 AM	#2
ThatOneGuy In the left lane, flashing to pass. Join Date: Jul 2005 Posts: 4,473 Reputation: 0 Location: SF, CA	Ok... anyway the point is, if you can't fix your rattle, check out this possible cause.

Mon, Feb-20-2006, 05:39:03 AM	#3
jflip426 Registered User Join Date: Nov 2004 Posts: 669 Reputation: 0 Location: Brighton	I'm gonna check this out, this sound usually comes out when you hit bumps right?

Mon, Feb-20-2006, 06:08:33 AM	#5
jflip426 Registered User Join Date: Nov 2004 Posts: 669 Reputation: 0 Location: Brighton	Thanks, I'm gonna try it tom. Its under the cover of the battery right?? Just put tape?

Mon, Feb-20-2006, 06:16:53 AM	#6
jotti ///M so sexy Join Date: Mar 2005 Posts: 1,891 Reputation: 0 Location: Vancouver	It happens to me when I have the sub on full bass setting and am listening to music moderately loud. __________________ jotti - E46 ///M3

Mon, Feb-20-2006, 11:03:24 AM	#8
jflip426 Registered User Join Date: Nov 2004 Posts: 669 Reputation: 0 Location: Brighton	they're changing your whole rear deck??! keep us posted with what happens. I have this noise in the rear right side that annoys me like anything.