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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, Oct-16-2019, 03:14:11 PM   #1
chalaka
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Default part # help

this piece of heavy rubber insulation piece has got harden and dissolved apart..
(example from this image found online) ..


am i looking at the right part# as shown from Ecstuning?
https://www.ecstuning.com/b-genuine-...n/51488252759/

picture looks different than what Realoem shows ..
it does have those cut out holes for the fuel pump..
https://www.realoem.com/bmw/enUS/sho...66#51488252759

did anyone ever change yours that can help to confirm?

Thank you
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Old Wed, Oct-16-2019, 04:29:57 PM   #2
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Default Re: part # help

Looks like the right part.

Gotta ask though. Why even bother? Especially at that price...
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Old Wed, Oct-16-2019, 04:58:34 PM   #3
chalaka
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Default Re: part # help

Quote:
Originally Posted by Whitehawk8 View Post
Looks like the right part.

Gotta ask though. Why even bother? Especially at that price...
Thank you for the reply...

just trying to do some restoration work .. hoping to make the car as "complete" as possible .. (if i manage not to sell by the end of this year.. )

price is indeed high .. realoem listed for 50ish , surprised to see over 200 on the ecstuning ..
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Old Wed, Oct-16-2019, 05:00:45 PM   #4
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Default Re: part # help

Quote:
Originally Posted by chalaka View Post
Thank you for the reply...



just trying to do some restoration work .. hoping to make the car as "complete" as possible .. (if i manage not to sell by the end of this year.. )



price is indeed high .. realoem listed for 50ish , surprised to see over 200 on the ecstuning ..


Iíd imagine itís from a shortage. What I did was just remove the small loose chunks and leave the big ones.

If you want to gamble a bit And hopefully save some money visit a junkyard with an e46 and maybe they will have an intact one. Or half of one. But it looks like youíre going for new. Just an idea
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Old Wed, Oct-16-2019, 06:25:50 PM   #5
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Default Re: part # help

As far as I can tell, the cars are old enough that they've all crumbled.

The version used in new BMWs interests me-- it's much lighter (almost weightless). I suspect the M2 version is "close enough" for a deformable piece.

... but if you're going for a resto, that won't work for you. Lots of prices have gone up from what's listed on realoem, sadly.
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Old Wed, Oct-16-2019, 09:37:39 PM   #6
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Default Re: part # help

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Originally Posted by Obioban View Post
As far as I can tell, the cars are old enough that they've all crumbled.

The version used in new BMWs interests me-- it's much lighter (almost weightless). I suspect the M2 version is "close enough" for a deformable piece.

... but if you're going for a resto, that won't work for you. Lots of prices have gone up from what's listed on realoem, sadly.
+1. At this car's age, they are probably all crumbled.

Unless you are planning on a fully stock, factory-fresh restoration using all original parts, personally I would not bother. When I replaced my fuel pump I removed all of crumbled rubber bit and the fractured peices that were still stuck on. The CSL didn't have this rubber liner. To me, it was an easy way to shed 6ish + pounds of literal dead weight. I notice zero negatives from removing it.

That being said, the part on ECS does look different from the rubber liner that you are referring to. The one on ECS doesn't look rubber, it looks like it's made of a foam/fabric. Perhaps this is a replacement part or maybe I am not looking at it/remembering mine correctly? Part numbers match. Maybe that it what you were referring to Obioban, this being an updated replacement part?
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Old Wed, Oct-16-2019, 10:21:10 PM   #7
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Default Re: part # help

yea i just chucked mine too. perhaps there is some generic sound deadening material you can purchase by the foot/meter you can modify to fit the space
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Old Wed, Oct-16-2019, 10:37:24 PM   #8
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Default Re: part # help

Yep ^ I pulled up most of mine after a new fuel pump install and then I put down a layer of closed cell foam, and I noticed the interior cabin got quieter and it's very light weight, cheap too from ebay.
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Old Thu, Oct-17-2019, 03:04:47 AM   #9
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Default Re: part # help

got it ..

thank you all for the suggestions ..

i have contacted one junk yard manager, no luck with such part yet ~

guess i will clean up those broken pieces first and see if there is other suitable substitutes to use ~

appreciate all the feedback guys~
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Old Thu, Oct-17-2019, 12:52:38 PM   #10
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Default Re: part # help

Quote:
Originally Posted by Dr M3an M3 View Post
+1. At this car's age, they are probably all crumbled.

Unless you are planning on a fully stock, factory-fresh restoration using all original parts, personally I would not bother. When I replaced my fuel pump I removed all of crumbled rubber bit and the fractured peices that were still stuck on. The CSL didn't have this rubber liner. To me, it was an easy way to shed 6ish + pounds of literal dead weight. I notice zero negatives from removing it.

That being said, the part on ECS does look different from the rubber liner that you are referring to. The one on ECS doesn't look rubber, it looks like it's made of a foam/fabric. Perhaps this is a replacement part or maybe I am not looking at it/remembering mine correctly? Part numbers match. Maybe that it what you were referring to Obioban, this being an updated replacement part?
Interesting, you're right! Assuming ECS's picture is accurate, it looks like BMW updated that part to the material used in new BMWs.









PN 51488252759

That stuff's light enough that I might order it and add it to my car
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Discussing part # help in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)