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General E46 Forum
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Old 02-15-2011, 11:07 AM   #1
bostonsc4
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Z4 3.0i Sound Generator mod

I've been doing some research and I've come across the OEM Z4 3.0i sound generator. On youtube there are a few videos of e46's that have this mod done. I don't know if you know what its all about, but basically it filters engine noise into the cabin. From my understanding it is a part that comes off of our intake and attaches to the firewall, thus allowing an entry way into the cabin for the engine noise. Here is a thread from someone installing this part off of the 3.0i onto his Z4 2.5.

http://www.zpost.com/forums/showthread.php?p=1501071


Here is a video of someone who put this part on their e46.


It can obviously BE done since there are numerous videos of it in action on an e46 out there, but I'm just wondering if anybody has thought of, or has already done this mod. Maybe we can stop getting people with $30.00 cone filters with no heat shield from coming around to get this engine note.
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Old 02-15-2011, 11:29 AM   #2
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I'm at the library right now so I don't have sound...butttt

this sounds like the stupidest thing I've heard in a long time
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Old 02-15-2011, 11:55 AM   #3
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Old 02-15-2011, 12:31 PM   #4
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Old 02-15-2011, 01:10 PM   #5
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the new Mustangs have that.
Just a dumass idea.
Whatever happened to just opening your window if you want to hear your engine.
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Old 02-15-2011, 01:34 PM   #6
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interesting.
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Old 02-15-2011, 03:01 PM   #7
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Snowskateskate- Then wait till you get home and listen to it on speakers. Its not dumb.

Alpine- Why? What about this idea turns you off. Its OEM on a Z4.

Silver- Listen to the youtube video? You think that sounds bad?

Jcns - I was not aware they had that part.


I seriously can't understand why you guys all think its the worst idea ever. It sounds pretty cool and its a god damn OEM part.
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Old 02-15-2011, 03:10 PM   #8
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Quote:
Originally Posted by bostonsc4 View Post
Snowskateskate- Then wait till you get home and listen to it on speakers. Its not dumb.

Alpine- Why? What about this idea turns you off. Its OEM on a Z4.

Silver- Listen to the youtube video? You think that sounds bad?

Jcns - I was not aware they had that part.


I seriously can't understand why you guys all think its the worst idea ever. It sounds pretty cool and its a god damn OEM part.
Just got home and listened to it. The sound quality is pretty bad....

Having a loud exhaust or engine is one thing, but cars pride themselves on how much they can keep interior cabin noise down. I don't want to have to yell when I talk to my passengers, or have to crank my music all the way up. This is a BMW; I atleast want SOME luxury. Is the luxury of having a relaxed, comfortable, quiet cabin unappealing to you?
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Old 02-15-2011, 03:22 PM   #9
bostonsc4
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Just got home and listened to it. The sound quality is pretty bad....

Having a loud exhaust or engine is one thing, but cars pride themselves on how much they can keep interior cabin noise down. I don't want to have to yell when I talk to my passengers, or have to crank my music all the way up. This is a BMW; I atleast want SOME luxury. Is the luxury of having a relaxed, comfortable, quiet cabin unappealing to you?
I hear you. I understand the point too about the quiet cabin too. Yes the sound is poor quality but if you listen to the z4 videos of great quality, its really audible. I just feel like its a really nice touch, not obnoxious to where you would have to yell at your passengers. Otherwise why would they put it inside a z4? Obviously every 3.0i owner doesn't have to yell at their passengers. In fact, they report to taking out the foam insert to make the effect even more noticeable. I don't know, maybe I'll just pioneer this project its a 92$ part.
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Old 02-16-2011, 02:04 PM   #10
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I think this is gonna be one of my few mods...i'm really looking into this. What would i need to make it fit on a 330cic?
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Old 02-16-2011, 02:08 PM   #11
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i'm interested in this too.
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Old 02-16-2011, 02:08 PM   #12
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People pay good money to make their cabins QUIETER...this seems a bit odd...

Why would you pay money to make your car louder in the cabin, but not any faster?

Quote:
Originally Posted by bostonsc4 View Post
What about this idea turns you off. Its OEM on a Z4.

Last edited by Dreamliner330; 02-16-2011 at 02:12 PM.
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Old 02-16-2011, 02:34 PM   #13
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It makes for a sportier / more fun ride. Sounds amazing at WOT.
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Old 02-16-2011, 02:43 PM   #14
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Very interesting. Here is the parts list... not sure if these parts apply to the E46 body?

"Here are the OEM part numbers you will need for installing the Sound Generator (SG) in a 2.5 Z4

1 13-74-7-514-863 SOUND GENERATOR 1
2 13-71-9-071-752 KIT 1
3 13-74-7-518-282 BRACKET 1
4 11-61-1-705-032 OVAL HEAD SCREW 1
5 07-12-9-952-121 CLAMP 1 (not needed provided with item 1)
6 13-74-7-514-864 SOUND PIPE 1
7 13-71-7-514-865 GROMMET 1
8 13-54-7-514-867 RUBBER BOOT 1

Total cost was about $92 shipped"
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Old 02-16-2011, 02:50 PM   #15
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That sounds awesome!
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Old 02-16-2011, 03:05 PM   #16
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I like it.
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Old 02-16-2011, 03:24 PM   #17
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I like it.
Damn that driver is terrible.
Damn that car is slow.
Damn that is the dumbest thing I have heard of.


Might as well get a whistle tip to go along with it. Woo wooo!
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Old 02-16-2011, 03:50 PM   #18
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Damn that driver is terrible.
Damn that car is slow.
Damn that is the dumbest thing I have heard of.


Might as well get a whistle tip to go along with it. Woo wooo!
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Old 02-16-2011, 03:50 PM   #19
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Sounds pretty good but that's what my car sounds like when I get on it as well. Don't see why I would want more cabin noise.
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Old 08-17-2011, 06:48 PM   #20
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