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      06-17-2013, 03:52 AM   #67
metrathon
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I wish more potential F30 customers could see this thread. And this one http://www.f30post.com/forums/showth...ght=wind+noise. This is unacceptable for a $60k car.
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      06-17-2013, 05:22 PM   #68
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There doesnt seen to be a correlation between factory or year of manufacture with the door foam.

How about the lines? Mine is a no line.
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      06-17-2013, 06:28 PM   #69
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Quote:
Originally Posted by CKau View Post
There doesnt seen to be a correlation between factory or year of manufacture with the door foam.

How about the lines? Mine is a no line.
The two posters who reported they have black foam are
johnbmw6 - searched old posts and looks like he has F31 330d M-Sport
xit2050 - 318d

So, maybe correlated with diesel
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      06-17-2013, 06:52 PM   #70
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Quote:
Originally Posted by pcbrew View Post
The two posters who reported they have black foam are
johnbmw6 - searched old posts and looks like he has F31 330d M-Sport
xit2050 - 318d

So, maybe correlated with diesel
I compared the Real OEM "Sound Insulating Front" picture for both the NA 328i and the UK 318d and the pictures and parts lists are the same.

But, with the picture supplied by johnbmw6 as a guide, maybe it's part # 13?



Full page is here: http://realoem.com/bmw/showparts.do?...69&hg=51&fg=70

These have part numbers!

13 SOUND INSULATING DOOR FRONT LEFT 51487286655
13 SOUND INSULATING DOOR FRONT RIGHT 51487286656

It doesn't really look right. I can't tell from RealOEM is where it's installed, so I have no idea if it's the right part or not.

Last edited by Frogman; 06-17-2013 at 11:46 PM..
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      06-17-2013, 07:18 PM   #71
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Quote:
Originally Posted by johnbmw6 View Post
Your dealer is B*llsh*ting, mine is very quiet, and only tyre noise on bad roads is heard.
+1

I thought my F30 was similar to a loaner F10 in terms of sound insulation (drove both on the same roads)
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      06-17-2013, 08:39 PM   #72
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No padding in the door crack here, F30 N20 June 2012 build.
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      06-17-2013, 09:55 PM   #73
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Quote:
Originally Posted by Frogman View Post
I compared the Real OEM "Sound Insulating Front" picture for both the NA 328i and the UK 318d and the pictures and parts lists are the same.

But, with the picture supplied by johnbmw6 as a guide, maybe it's part # 13?

13 SOUND INSULATING DOOR FRONT LEFT 51487286655
13 SOUND INSULATING DOOR FRONT RIGHT 51487286656

It doesn't really look right. I can't tell from RealOEM is where it's installed, so I have no idea if it's the right part or not.
That could be it! Only $31 at bmwpartsupply.com or $34 at turnermotorsports.com.
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      06-17-2013, 11:44 PM   #74
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Quote:
Originally Posted by pcbrew View Post
That could be it! Only $31 at bmwpartsupply.com or $34 at turnermotorsports.com.
Yeah, it's not expensive, but how the hell do you install the thing?

I looked today and if this is really that big, I'd bet you would have to remove the front quarter panels to install them (or maybe from underneath the car?). Not something that I'd like to attempt myself. If they are in fact missing and should be there, then BMW should cover it under warranty.

I've love to know if anyone has this foam installed on a NA F30, or at least a non-diesel one.
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      06-18-2013, 12:11 AM   #75
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Quote:
Originally Posted by Frogman View Post
Yeah, it's not expensive, but how the hell do you install the thing?
I assume it gets stuffed into the big a$* gap that is already there.
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      06-18-2013, 12:22 AM   #76
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Quote:
Originally Posted by pcbrew View Post
I assume it gets stuffed into the big a$* gap that is already there.
I had enough of a time just putting in the 1/2" backer rod. That foam thing looks to be much larger.

I wonder if most of the foam gets installed on the inside to deaden the sound. I would expect that at least the doors would have to come off to install it.
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      06-18-2013, 01:59 AM   #77
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Quote:
Originally Posted by CKau View Post
There doesnt seen to be a correlation between factory or year of manufacture with the door foam.

How about the lines? Mine is a no line.
Quote:
Originally Posted by pcbrew View Post
The two posters who reported they have black foam are
johnbmw6 - searched old posts and looks like he has F31 330d M-Sport
xit2050 - 318d

So, maybe correlated with diesel
Well, mine is a Luxury Line if that's any help...
Didn't have a change yet to open the hood and look how it's in there around the wheel arch.
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      06-18-2013, 04:51 AM   #78
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Quote:
Originally Posted by Frogman View Post
I compared the Real OEM "Sound Insulating Front" picture for both the NA 328i and the UK 318d and the pictures and parts lists are the same.

But, with the picture supplied by johnbmw6 as a guide, maybe it's part # 13?



Full page is here: http://realoem.com/bmw/showparts.do?...69&hg=51&fg=70

These have part numbers!

13 SOUND INSULATING DOOR FRONT LEFT 51487286655
13 SOUND INSULATING DOOR FRONT RIGHT 51487286656

It doesn't really look right. I can't tell from RealOEM is where it's installed, so I have no idea if it's the right part or not.
Unless I am reading it wrong, the gap filled with foam in some of the cars is at the rear of the front wings, so the part would not be labeled ' sound insulation door front left/right '
The part would refer to the front wings, or something like that.
Part 18 is not described in the part listings !
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      06-18-2013, 09:26 AM   #79
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Quote:
Originally Posted by pcbrew View Post
The two posters who reported they have black foam are
johnbmw6 - searched old posts and looks like he has F31 330d M-Sport
xit2050 - 318d

So, maybe correlated with diesel
Just been to my dealer (in the UK) for an oil service and looked at a few new F30/31 models.

In the examples in the showroom, it was only diesel models with the foam piece down the wing edge in the door shut. The examples were all 4-cylinder engines, but included a 328i touring (wagon).

Which sort of hints at the additional foam is to reduce engine noise, rather than road noise.

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      06-18-2013, 09:27 AM   #80
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Quote:
Originally Posted by xit2050 View Post
Well, mine is a Luxury Line if that's any help...
Didn't have a change yet to open the hood and look how it's in there around the wheel arch.
Mine is a luxury line too, and no foam.
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      06-18-2013, 09:30 AM   #81
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Quote:
Originally Posted by Frogman View Post
Mine is a luxury line too, and no foam.
Luxury Line 3GT 328i didn't have the foam inserts either.

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      06-18-2013, 12:21 PM   #82
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I've got the Sport f30 with all season tires. I noticed yesterday that the noise is really kind of annoying at 70 mph with the radio low. I've got 6700 miles on it.

Makes me (almost) miss my VW Routan. That was a quiet car! I'm not sure what's gone wrong with the soundproofing or if its a made for the US thing, but my 3 previous bmws - all leased and driven only in Germany - were practically silent. :
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      06-19-2013, 01:30 AM   #83
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Quote:
Originally Posted by Frogman View Post
Mine is a luxury line too, and no foam.
Then it would seem it is diesel related.
HighlandPete's observation confirms this.
However, this would also mean that the road noise is not coming from the front (engine area, wheel arches), because I have the foam inserts but still excessive road noise.

I stand by my initial opinion that there is something wrong with the window seals... The search goes on...
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      06-19-2013, 05:04 AM   #84
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Our 328i estate built in April is super quiet and seems more so than my son's E90 325i. Worse, it does not have any sealing between the front wing and body and the hole that some have been filling with foam is a gapping hole in ours.

I test drove a 316 and a 320 and all three cars impressed me with the silence of the cabin.
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      06-19-2013, 08:14 AM   #85
metrathon
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I wish one of the owners who drive a "noisy" F30 would have a chance to drive the F30 of an owner who says his/her car is quiet. And vice-versa.

I volunteer for such a test. I live in Vista (CA) and I'm in Santa Monica three days a week. Hit me if your car is "quiet" and you're kind enough to give me a ride. This would be an excellent test to see if the cars are indeed different or it's just a super-subjective perception.
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      06-19-2013, 08:43 AM   #86
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Quote:
Originally Posted by metrathon View Post
I wish one of the owners who drive a "noisy" F30 would have a chance to drive the F30 of an owner who says his/her car is quiet. And vice-versa.

I volunteer for such a test. I live in Vista (CA) and I'm in Santa Monica three days a week. Hit me if your car is "quiet" and you're kind enough to give me a ride. This would be an excellent test to see if the cars are indeed different or it's just a super-subjective perception.
Excellent idea to find out if it is the car, or the driver, or a bit of both.

I know users are stuffing foam into the voids, to try and quieten the vehicle, but these voids, holes, etc., existed on the E9* range and don't recall the same being said about the noise levels in the E9* models. So do wonder (as has been suggested) is more than the insulation properties that induce the noise levels.

Poorly fitted/adjusted door and window seals are notorious for contributing to poor sound insulation.

I know my E91 330d had 'holes' to the wheel arch, just as the F30/31, plus thin wheel arch liners, but the car wasn't as noisy as the F30 328i I tried. The F30 had more wind and tyre noise coming through to the cabin. I put it down to tyre type/brand and mirror/window fitting contributing to the issues.

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      06-20-2013, 05:26 AM   #87
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Quote:
Originally Posted by HighlandPete View Post
Excellent idea to find out if it is the car, or the driver, or a bit of both.

I know users are stuffing foam into the voids, to try and quieten the vehicle, but these voids, holes, etc., existed on the E9* range and don't recall the same being said about the noise levels in the E9* models. So do wonder (as has been suggested) is more than the insulation properties that induce the noise levels.

Poorly fitted/adjusted door and window seals are notorious for contributing to poor sound insulation.

I know my E91 330d had 'holes' to the wheel arch, just as the F30/31, plus thin wheel arch liners, but the car wasn't as noisy as the F30 328i I tried. The F30 had more wind and tyre noise coming through to the cabin. I put it down to tyre type/brand and mirror/window fitting contributing to the issues.

HighlandPete
Getting feedback from owers who dont have the foam filler saying their car is quiet leads me to think you are right highland pete.

As my ears becme accustomed to the quieter levels, As i eliminate the noises progresively i can hone in on the source of the remaining issues. I do think that it is the door seals of the other 3 doors that have not been adjusted allowing road noise into the cabin.

Ever since delivery i have thought that the fitting of the doors was not 100% flush. I am betting that a tightening of the shut will eliminate the remaining issue i have
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      06-20-2013, 05:32 AM   #88
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Quote:
Originally Posted by CKau View Post
Getting feedback from owers who dont have the foam filler saying their car is quiet leads me to think you are right highland pete.

As my ears becme accustomed to the quieter levels, As i eliminate the noises progresively i can hone in on the source of the remaining issues. I do think that it is the door seals of the other 3 doors that have not been adjusted allowing road noise into the cabin.

Ever since delivery i have thought that the fitting of the doors was not 100% flush. I am betting that a tightening of the shut will eliminate the remaining issue i have
I think you may be right here. I don't have any noticeable wind noise from the doors, but my doors do fit flush and do need a bit of a pull to close them properly (passengers often don't close them first try) which makes me think that the door seals are being compressed and working as they should. I do find the "2 or 3 tries to close the doors" issue a little annoying but most of the other BMWs I'd had have been the same and I'd rather have that than the wind noise.
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