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      04-22-2008, 02:30 PM   #1
moff
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BMS or Helene Performance Air Intake?

Which one shall I get?

Helene is a straight swap for the stock filter, but provides about 5-10bhp increase?

Or

The BMS filter which requires the removal of the stock setup, provides slight bhp increases but emphasises the turbo spool / noise and dump valve.

I think I want the noise...

Anyone got any experience of either - pro's and con's?

Favouring the BMS route, but worried about potential issues?
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      04-22-2008, 03:06 PM   #2
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if you love heatsoak and power loss and want to hear the sound of the intake more, get the BMS

if you love efficiency of both flow and filtering and hate heat soak and power loss, get the Helene/Streamline filter
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      04-22-2008, 03:08 PM   #3
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I ordered the Streamline.
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      04-22-2008, 03:09 PM   #4
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Quote:
Originally Posted by M3_Dust View Post
if you love heatsoak and power loss and want to hear the sound of the intake more, get the BMS

if you love efficiency of both flow and filtering and hate heat soak and power loss, get the Helene/Streamline filter

Hahaha!!! Awesome answer.

ZERO sarcasm detected.
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      04-22-2008, 03:41 PM   #5
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I'm afraid our harsh winters could be an issue with the unprotected BMS so I'll most likely go with the Streamline. If I lived in a warmer climate I'd get the BMS.
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      04-22-2008, 03:46 PM   #6
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Quote:
Originally Posted by Tuned1 View Post
I'm afraid our harsh winters could be an issue with the unprotected BMS so I'll most likely go with the Streamline. If I lived in a warmer climate I'd get the BMS.
Dont worry about the winter. We have like the baddest winter in America. I used to run a CAI in my inner fender.Car was slammed also.Tons of people do it around here. Plus the BMW is on top of the engine.
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      04-22-2008, 04:40 PM   #7
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just curious, but what are people's opinion of the foam ITG filters, especially compared to the Helene SE's?
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      04-22-2008, 04:44 PM   #8
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to be honest a drop in filter is a waste of money, most drop in filters are
as for the BMS filter subject to heat soak, I dont know if that is a good point as the intake temperatures have been tested before and after and there is no change.
As for power, the gains that either gets is minute, the gains of 5HP is something that can be had doing consecutive dyno runs on a car without changing anything

The best thing to do is wait for a nice CAI
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      04-22-2008, 05:24 PM   #9
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I don't believe that drop in filters are a waste of money. The Streamline filter shows the same gains on the dyno as the BMS (at least in 335's). The BMS shows the same IAT's as a CAI. So they are mostly similar.
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      04-22-2008, 07:34 PM   #10
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Quote:
Originally Posted by mtla4 View Post
Dont worry about the winter. We have like the baddest winter in America. I used to run a CAI in my inner fender.Car was slammed also.Tons of people do it around here. Plus the BMW is on top of the engine.
Thanks for the insight.
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      04-23-2008, 05:00 AM   #11
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I put on a CAI on my '01 turbo Miata (was a custom made carbonfibre one) and it really made a noticeable difference over the previous intake which was an exposed K&N in the engine bay.
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      04-23-2008, 09:15 AM   #12
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order the gruppe M CAI....
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      04-23-2008, 10:07 AM   #13
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I have read the threads on E90 post regarding bhp gains on both the Helene and BMS, but not sure why people would say they cause power loss - can you explain further M3 Dust?

To be honest, I am more interested in the noise, and low cost nice noise is attractive! The ideal solution would be the BMW Performance Intake with the BMW Performance Exhaust! But I can imagine that combo being quite expensive!
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      04-23-2008, 10:59 AM   #14
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You wont have any noise with a panel filter(I dont believe in those gains personally) Ive used them for replacement. With an intake (SRI ,CAI) youll hear the pshhhiiittt sound if thats what you want.
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      04-23-2008, 12:14 PM   #15
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Quote:
Originally Posted by mtla4 View Post
You wont have any noise with a panel filter(I dont believe in those gains personally) Ive used them for replacement. With an intake (SRI ,CAI) youll hear the pshhhiiittt sound if thats what you want.
I had stock, BMC and BMS filters. BMS by far is the best. No power loss and sounds menacing as hell
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      04-23-2008, 12:20 PM   #16
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Quote:
Originally Posted by eunosracr View Post
I had stock, BMC and BMS filters. BMS by far is the best. No power loss and sounds menacing as hell
BMS looks great bang for the buck why not.
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      04-24-2008, 10:12 PM   #17
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so i guess the k&n filter is not in the running as a viable alternative?
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      04-24-2008, 10:29 PM   #18
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Quote:
Originally Posted by professor View Post
so i guess the k&n filter is not in the running as a viable alternative?
heres a good thread on the Helene vs K&N vs Stock http://www.e90post.com/forums/showthread.php?t=132028

id say the Helene filter is about as good as your gunna get if you wanna go the drop in route
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      04-24-2008, 10:32 PM   #19
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food for thought
http://www.e90post.com/forums/showthread.php?t=132028
also look at the full curve not just peak gains
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      04-25-2008, 06:38 PM   #20
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Go for BMS or stock, or wait when M-Sport comes out with some offerings.
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      04-25-2008, 07:45 PM   #21
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Wait out for the RISS RACING intake. IMO. Trust me.
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      04-26-2008, 12:55 AM   #22
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Quote:
Originally Posted by blacknbean View Post
heres a good thread on the Helene vs K&N vs Stock http://www.e90post.com/forums/showthread.php?t=132028

id say the Helene filter is about as good as your gunna get if you wanna go the drop in route
I asked this earlier but just want to throw it out there again. What about the ITG filter?

http://www.1addicts.com/forums/showthread.php?t=7463
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