BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

Post Reply
 
Thread Tools Search this Thread
      01-26-2018, 11:55 AM   #1
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
Increasing Induction Noise...

Does anyone have any ideas on increasing induction noise on our cars?

N/A and F/I owners are free to talk about tricks you've used, or ones you've heard about.

What I've Done:
After getting some more doo-WAAAAH from my Mishimoto silicone intake boot, I want even MORE!!!

I have a K&N Drop-In with a Charcoal delete, those didn't make that noticeable a difference.

What I'm Considering:
I read on some forum (E90 Post, I think...I barely survived) that putting spacers in between the two halves of the intake box, to create about a 1cm gap is a really easy way to get a ton. One guy removed the non-filter side of the box completely, and said it was deafening (that's what I think I want, but I probably don't). Nice thing about both of these solutions is that they're easy to do, and easily reversed if you don't like it.

Another thing is a CAI with an open cone filter, but people are torn on the benefits/detriments of this (heatsoak issues, mainly)...
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-26-2018, 06:36 PM   #2
BimmerAg
Lieutenant
BimmerAg's Avatar
United_States
355
Rep
498
Posts

Drives: 2011 135i
Join Date: May 2017
Location: San Antonio, TX

iTrader: (0)

I've heard that running the BMS cowl filters or removing your cowl will give you quite a bit more
__________________
2011 BMW 135i ///M-Sport, DCT
MHD Stage 1, cp-e Charge Pipe, H&R Front sway bar, BMW performance diffuser
Appreciate 1
Bimmer TV103.50

      01-26-2018, 10:00 PM   #3
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
I just removed the snorkel side half of the stock intake box (snorkel = box on top of radiator) and ran with just the MAF side with my K&N filter.

It was ridiculous; completely and totally ridiculous. It was subtle and soft at normal speeds, but then, when I got on it, or hit around 3k, it just howled like an S54 with velocity stacks! It's insane, and is a little more than what I wanted.

I'll be adding spacers between the two halves and reinstalling to quiet it down, or possibly drilling holes in the sides of the box that aren't facing the engine, to reduce IATs.
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-27-2018, 01:32 AM   #4
sprp85
First Lieutenant
South Korea
67
Rep
339
Posts

Drives: N51/B46
Join Date: May 2014
Location: MD

iTrader: (3)

The best thing you can do for induction noise on 128 I is pick up a used AFE intake. Or DIY some extra holes on your box. It will bring you glorious induction noise.
Appreciate 1
      01-27-2018, 02:51 AM   #5
iminhell1
C2H5OH
iminhell1's Avatar
United_States
560
Rep
1,033
Posts

Drives: 2010 SG 135i auto
Join Date: May 2015
Location: Darwin, MN

iTrader: (1)




accept no substitutes!
__________________
FBO (RB EVO inlets, Phoenix Racing 7.5" race, CP-e relocate / Tial, 1320 DP's, Berk mids, Custom E tune, XHP Stg III)
11.480 @ 121, 3,600#
Appreciate 1
      01-27-2018, 11:03 PM   #6
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
After one day without one half of the air box, I have a splitting headache. I'll be reinstalling that half of the box, albeit with some holes. I don't want to sacrifice all of this noise, just the annoying majority of it.

It sounds epic at full tilt, at around 4k+ the kickover from VANOS is insane. Forget VTEC, yo! But that epic sound is overwhelming my poor ears...
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-28-2018, 03:14 PM   #7
Gangplank
Lieutenant Colonel
Gangplank's Avatar
United_States
645
Rep
1,878
Posts

Drives: 2011 e82 135i n55 Sprt DCT - S
Join Date: Nov 2015
Location: Port St. Lucie, FL

iTrader: (1)

Garage List
2011 135i  [0.00]
Seriously people are choosing more noise over performance - why? Removing the snorkel is putting hotter air into your intake. Can anyone post dyno numbers showing a real increase over stock intake?

Or if noise is what you want just go vroom vroom when you step on the gas.
__________________
2011 135i DCT Sport pkg | PPK | M3 front control arms | RSFB inserts | Diff lockdown bracket | Ohlins R&T w/ Swift springs.
Appreciate 0
      01-29-2018, 08:24 AM   #8
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
Quote:
Originally Posted by Gangplank View Post
Seriously people are choosing more noise over performance - why? Removing the snorkel is putting hotter air into your intake. Can anyone post dyno numbers showing a real increase over stock intake?

Or if noise is what you want just go vroom vroom when you step on the gas.
I'm just testing it out...

It seriously feels like the response is 5x better, and that the power is more linear, with better low end pull. I feel absolutely no performance loss, at all, but dat noise, though!

I still need to quiet it down, though...
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-29-2018, 08:41 AM   #9
kprocivic
Lieutenant Colonel
kprocivic's Avatar
762
Rep
1,575
Posts

Drives: ecoboost s to the t
Join Date: Apr 2014
Location: 92346

iTrader: (7)

Quote:
Originally Posted by Gangplank View Post
Seriously people are choosing more noise over performance - why? Removing the snorkel is putting hotter air into your intake. Can anyone post dyno numbers showing a real increase over stock intake?

Or if noise is what you want just go vroom vroom when you step on the gas.
These type of threads remind us just how cheap are cars are these days.
Appreciate 1
      01-29-2018, 10:07 AM   #10
Matticus91
Colonel
Matticus91's Avatar
United_States
2233
Rep
2,965
Posts

Drives: 2013 135i
Join Date: Aug 2015
Location: Washington DC

iTrader: (5)

Quote:
Originally Posted by Gangplank View Post
Seriously people are choosing more noise over performance - why? Removing the snorkel is putting hotter air into your intake. Can anyone post dyno numbers showing a real increase over stock intake?

Or if noise is what you want just go vroom vroom when you step on the gas.
Quote:
Originally Posted by kprocivic View Post
These type of threads remind us just how cheap are cars are these days.
Engine noise is a large part of the cars overall experience, what's wrong with wanting to hear it more? I've had slow cars that sound amazing that were way more fun that quiet fast cars. I doubt anyone here would notice the 5hp difference of any airbox changes in either direction.

As for increasing induction noises I got rid of the cowl myself and run the BMS cabin air filters. I can hear EVERYTHING through them. The turbo sounds are awesome and I highly recommend it. I'm still on the stock airbox as well.
__________________
"Tobias" 2013 135i ///M-Sport 6MT • Avant Garde M310's • cp-e Charge Pipe • Seibon CF M3 Hood • Custom Exhaust & Cutout • JB4
Appreciate 0
      01-29-2018, 05:00 PM   #11
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
Quote:
Originally Posted by kprocivic View Post
These type of threads remind us just how cheap are cars are these days.
Your English reminds me why there's no hope for humanity...

Besides, I don't want to spend $400 on an intake which few people actually buy, and likely won't get the effect I want, which is an other-worldly sound, as close as possible as the E46 M3 CSL.

If you don't like being associated with so-called impoverished, cheap-a$$ crap humans like me (your words), go put $50k on a new car that won't be half as fun and engaging to drive...

Haters gonna hate, but I'm gonna enjoy my car regardless!
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-29-2018, 05:03 PM   #12
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
Quote:
Originally Posted by Matticus91 View Post
Engine noise is a large part of the cars overall experience, what's wrong with wanting to hear it more? I've had slow cars that sound amazing that were way more fun that quiet fast cars. I doubt anyone here would notice the 5hp difference of any airbox changes in either direction.

As for increasing induction noises I got rid of the cowl myself and run the BMS cabin air filters. I can hear EVERYTHING through them. The turbo sounds are awesome and I highly recommend it. I'm still on the stock airbox as well.
Thank you, you emotional sir, you! You get the joys of driving, despite being in the DC area, and having a turbo car...JK!

I just looked at the cowl filters, they look pretty reasonable at $59, especailly considering the benefits you describe. Also, I really like the idea of easier access to the back of the engine, and all the various stuff back there.
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 1
Matticus912233.00

      01-29-2018, 05:32 PM   #13
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
I reinstalled the other half of the air box, with about an inch worth of space between the two halves. Gave it a few revs, it retained a nice quality sound, but (thankfully) gave up some of the resonance and boominess of the halved box.

I also took the liberty to find a better retaining system for the air filter, and covered the engine side parts of the upper intake tract with foil tape to reflect any extra heat away from the system. I left the rest black, because the black should radiated the heat already in the system out.

I need to finish my shifter rebuild and SSK install before taking the car on a proper test drive. I would've been done last night, but something went very, very wrong on the assembly (snapped the shift arm) and now I'm waiting for the new parts.
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-29-2018, 05:37 PM   #14
swagon
Brigadier General
swagon's Avatar
No_Country
3934
Rep
4,509
Posts

Drives: E82|F80|6MT
Join Date: Jun 2013
Location: .

iTrader: (0)

A popular mod for E86 N52 Z4's was removing two foam pieces from a thing called sound generator, which is a pipe running from the intake to the firewall. N52 1 Series have also a similar thing installed, but haven't seen that many people modifying it.

Look up Z4 sound generator on youtube.

Number 10 in this diagram: http://www.realoem.com/bmw/enUS/show...diagId=13_1165

Edit: 135i also have a sound generator, according to ETK. Dang. Someone be the guinea pig, pls. https://www.ecstuning.com/b-genuine-...r/13717575658/
__________________

Last edited by swagon; 01-29-2018 at 05:43 PM.
Appreciate 0
      01-29-2018, 05:50 PM   #15
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
My car didn't have this attached to the stock intake boot. Unfortunate thing, too; I drove a Z4 3.0i (N52 with Sound Generator) and I liked the sound it made. I'm sure my Mishimoto Silicone Intake Boot is louder and more natural, though.
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-29-2018, 06:22 PM   #16
kprocivic
Lieutenant Colonel
kprocivic's Avatar
762
Rep
1,575
Posts

Drives: ecoboost s to the t
Join Date: Apr 2014
Location: 92346

iTrader: (7)

Quote:
Originally Posted by chris_flies View Post
Your English reminds me why there's no hope for humanity...

Besides, I don't want to spend $400 on an intake which few people actually buy, and likely won't get the effect I want, which is an other-worldly sound, as close as possible as the E46 M3 CSL.

If you don't like being associated with so-called impoverished, cheap-a$$ crap humans like me (your words), go put $50k on a new car that won't be half as fun and engaging to drive...

Haters gonna hate, but I'm gonna enjoy my car regardless!
It's your car do what you want. I made a statement about our cars worth, not about you fiddling with your intake. Good luck with your car.
__________________
2.0l ecosmackkaa
Appreciate 0
      01-29-2018, 07:04 PM   #17
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
Quote:
Originally Posted by kprocivic View Post
It's your car do what you want. I made a statement about our cars worth, not about you fiddling with your intake. Good luck with your car.
Gotcha. Thank you!
__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
      01-29-2018, 11:58 PM   #18
rowsdower
Second Lieutenant
rowsdower's Avatar
220
Rep
294
Posts

Drives: 2011 128i 6MT Sport
Join Date: Jan 2017
Location: Texas

iTrader: (0)

Quote:
Originally Posted by swagon View Post
A popular mod for E86 N52 Z4's was removing two foam pieces from a thing called sound generator, which is a pipe running from the intake to the firewall. N52 1 Series have also a similar thing installed, but haven't seen that many people modifying it.

Look up Z4 sound generator on youtube.

Number 10 in this diagram: http://www.realoem.com/bmw/enUS/show...diagId=13_1165

Edit: 135i also have a sound generator, according to ETK. Dang. Someone be the guinea pig, pls. https://www.ecstuning.com/b-genuine-...r/13717575658/
I was under the impression modern BMWs played engine sounds through the speakers? Here is the article where I read about this:

https://jalopnik.com/5973177/this-is...-by-a-computer

Anyone know if 1ers have the "symposer"? A quick google search shows the 2 series has it, and it changes depending on what mode the car is in, i.e. Sport mode is louder.

I didn't realize we had a mechanical piece piping sounds into the cabin, also.

I can't find it right now, but I saw a video where someone replaced the sound file with a Lamborghini sound in a more pedestrian car. Pretty funny.
Appreciate 0
      01-30-2018, 04:49 AM   #19
Gangplank
Lieutenant Colonel
Gangplank's Avatar
United_States
645
Rep
1,878
Posts

Drives: 2011 e82 135i n55 Sprt DCT - S
Join Date: Nov 2015
Location: Port St. Lucie, FL

iTrader: (1)

Garage List
2011 135i  [0.00]
Quote:
Originally Posted by rowsdower View Post
Quote:
Originally Posted by swagon View Post
A popular mod for E86 N52 Z4's was removing two foam pieces from a thing called sound generator, which is a pipe running from the intake to the firewall. N52 1 Series have also a similar thing installed, but haven't seen that many people modifying it.

Look up Z4 sound generator on youtube.

Number 10 in this diagram: http://www.realoem.com/bmw/enUS/show...diagId=13_1165

Edit: 135i also have a sound generator, according to ETK. Dang. Someone be the guinea pig, pls. https://www.ecstuning.com/b-genuine-...r/13717575658/
I was under the impression modern BMWs played engine sounds through the speakers? Here is the article where I read about this:

https://jalopnik.com/5973177/this-is...-by-a-computer

Anyone know if 1ers have the "symposer"? A quick google search shows the 2 series has it, and it changes depending on what mode the car is in, i.e. Sport mode is louder.

I didn't realize we had a mechanical piece piping sounds into the cabin, also.

I can't find it right now, but I saw a video where someone replaced the sound file with a Lamborghini sound in a more pedestrian car. Pretty funny.
The n54 has a Sound Generator tube that's part of the charge pipe. No clue if the n55 does?

http://www.1addicts.com/forums/showthread.php?t=741784
__________________
2011 135i DCT Sport pkg | PPK | M3 front control arms | RSFB inserts | Diff lockdown bracket | Ohlins R&T w/ Swift springs.
Appreciate 0
      02-01-2018, 11:40 AM   #20
Matticus91
Colonel
Matticus91's Avatar
United_States
2233
Rep
2,965
Posts

Drives: 2013 135i
Join Date: Aug 2015
Location: Washington DC

iTrader: (5)

Quote:
Originally Posted by rowsdower View Post
I was under the impression modern BMWs played engine sounds through the speakers? Here is the article where I read about this:

https://jalopnik.com/5973177/this-is...-by-a-computer

Anyone know if 1ers have the "symposer"? A quick google search shows the 2 series has it, and it changes depending on what mode the car is in, i.e. Sport mode is louder.

I didn't realize we had a mechanical piece piping sounds into the cabin, also.

I can't find it right now, but I saw a video where someone replaced the sound file with a Lamborghini sound in a more pedestrian car. Pretty funny.
Quote:
Originally Posted by Gangplank View Post
The n54 has a Sound Generator tube that's part of the charge pipe. No clue if the n55 does?

http://www.1addicts.com/forums/showthread.php?t=741784
N55 does not, or at least not that I've been able to find.
__________________
"Tobias" 2013 135i ///M-Sport 6MT • Avant Garde M310's • cp-e Charge Pipe • Seibon CF M3 Hood • Custom Exhaust & Cutout • JB4
Appreciate 0
      02-01-2018, 01:11 PM   #21
WDE82
First Lieutenant
173
Rep
369
Posts

Drives: '13 128i 3-pedal
Join Date: Aug 2015
Location: Huntsville, AL

iTrader: (0)

Get an AFE intake. I have this with the dry filter. It sounds great and definitely is a no compromise solution. That's why it's not cheap.

https://afepower.com/afe-power-54-81...-intake-system
__________________
Appreciate 1
      02-01-2018, 06:41 PM   #22
chris_flies
Sideways and Smiling
chris_flies's Avatar
United_States
1174
Rep
1,544
Posts

Drives: Enthusiastically...
Join Date: Mar 2017
Location: Woodbridge, VA, USA

iTrader: (0)

Garage List
2009 BMW 128i  [5.00]
Shot a video on a drive this afternoon, the wind noise is terrible, but the engine note pops through when I get on it.

__________________
2009 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i Build
N/A Supremacy Propagandist at Large
Want 2 M3 Subframe Bushings or 2 M3 Front Pos. Diff Bushings? PM Me!
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT -4. The time now is 12:20 AM.




1addicts
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST