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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Active Autowerke | N52 Signature Exhaust



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      05-31-2013, 07:55 AM   #617
luckysnafu
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Unhappy Droning

330i Quick Review

So I went to install the exhaust myself over the weekend on my 2006 330i. Cut off the old exhaust and went to mount the new one. The pipe on my car and the pipe from the AA exhaust are the exact same size, there was no way they were going to slip into each other. Ended up having to get it welded on.

On to the sound: It drones like nobodies business from around 1800 to 2500 rpm, give or take a couple hundred. I don't know if the 330 exhaust is different than the 328 but it is pretty bad.

I recorded some sound files from the cabin for those who want to hear how bad the drone is. File 2 gives you the best idea of the drone. I already put the wine corks into the rubber muffler hangers, didn't notice a change in drone.

Dropbox link to drone mp3 files


Any suggestions AA on why my drone is so bad or how to reduce it at all???
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      05-31-2013, 11:24 AM   #618
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^^ EXACTLY the reason why I am so hesitant to buy aftermarket exhaust. I guess its all personal preference. I don't race my car and honestly I like the quitness of my car as it is.. but reading luckysnafu's post just validates my reasoning...
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      05-31-2013, 01:01 PM   #619
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Quote:
Originally Posted by luckysnafu View Post
330i Quick Review

So I went to install the exhaust myself over the weekend on my 2006 330i. Cut off the old exhaust and went to mount the new one. The pipe on my car and the pipe from the AA exhaust are the exact same size, there was no way they were going to slip into each other. Ended up having to get it welded on.

On to the sound: It drones like nobodies business from around 1800 to 2500 rpm, give or take a couple hundred. I don't know if the 330 exhaust is different than the 328 but it is pretty bad.

I recorded some sound files from the cabin for those who want to hear how bad the drone is. File 2 gives you the best idea of the drone. I already put the wine corks into the rubber muffler hangers, didn't notice a change in drone.

Dropbox link to drone mp3 files


Any suggestions AA on why my drone is so bad or how to reduce it at all???
Are you an n51?
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      05-31-2013, 01:06 PM   #620
luckysnafu
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Are you an n51?
Nope, N52.
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      05-31-2013, 01:15 PM   #621
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Quote:
Originally Posted by luckysnafu View Post
I already put the wine corks into the rubber muffler hangers, didn't notice a change in drone.
You're supposed to drink the wine too.
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      05-31-2013, 01:30 PM   #622
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Quote:
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Nope, N52.
You have pm
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      05-31-2013, 09:11 PM   #623
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Quote:
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Nope, N52.
It was really bad on my 330i N52 as well.

Got so bad, interior pieces started rattling. Sold it and moved on.
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      06-04-2013, 08:54 AM   #624
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I'm looking for the install instructions for an e90, do you guys have them available in electronic form?
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      06-04-2013, 09:01 AM   #625
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What a gift!

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      06-04-2013, 09:04 AM   #626
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lol is this for my car? nope you wear it.
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      06-04-2013, 09:04 AM   #627
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Quote:
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I'm looking for the install instructions for an e90, do you guys have them available in electronic form?

Shoot me an email and ill send it right over.

Afish@activeautowerke.com
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      06-04-2013, 02:14 PM   #628
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
What a gift!

LMFAO At first that sounded like the beginning of a porno flick! hahahaha
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      06-04-2013, 02:18 PM   #629
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"It's gonna make my car go like 'vrrrroom'." LMAO
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      06-04-2013, 03:37 PM   #630
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LMFAO At first that sounded like the beginning of a porno flick! hahahaha
Do you want to see it? All I have to do is move my arm.
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      06-04-2013, 03:53 PM   #631
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Quote:
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Do you want to see it? All I have to do is move my arm.
hahahahaha you're killing me over here!
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      06-04-2013, 05:06 PM   #632
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lol is this for my car? nope you wear it.
DEAD LMAO
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      06-04-2013, 05:12 PM   #633
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lol Thats a pretty cool gift, glad she was really stoked about it.
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      06-04-2013, 06:15 PM   #634
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Quote:
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What a gift!

She's a keeper!
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      06-05-2013, 10:23 PM   #635
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Interested. Any specials shipped to 07011
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      06-06-2013, 08:36 AM   #636
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Interested. Any specials shipped to 07011
Nothing at the moment but if you guys want to do a group buy i'm all ears.
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      06-08-2013, 12:56 AM   #637
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haha that vid was great
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      06-12-2013, 04:39 PM   #638
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Hi guys,

Im just following up after a few months and about 5-7k miles on my car. The "droning" has definitely subsided. Frequent passengers have confirmed that the sound is much more of a mellow and refined growl; not the boomy bellow when first installed.

The rattling is still an issue. To resolve it, i put a piece of cloth in the rear tray and that keeps the rattles away. Ive also used tissue boxes and baby wipes back there. A little bit of a nuisance that I turned into a practical use.

I would definitely recommend this exhaust. I put a good 60-75 miles daily on it and its not intrusive nor annoying. Conversations are not an issue with windows up or down.

Ride it out and you will be pleasantly rewarded.

/.02
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