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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Which fmic is sufficient for me?



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      10-28-2010, 02:48 AM   #45
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Quote:
Originally Posted by TTurboBullett View Post
Helix next to an AMS fmic on the bench!
Wow.....the Helix makes the AMS FMIC look like a toy!
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      10-28-2010, 04:23 AM   #46
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The rounded edges of the helix bars are really nice and important. I wonder why other don't have those. The aerodynamics are a lot better with that setup.
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      10-28-2010, 06:14 PM   #47
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Quote:
Originally Posted by tscdennab View Post
The rounded edges of the helix bars are really nice and important. I wonder why other don't have those. The aerodynamics are a lot better with that setup.
thanx for the compliments, utilizing the half round bars really directs the airflow with alot less restriction. we choose to do this because its the right way to do it and we FINALLY found a core manufacturer that could build the cores to our specifications. building the intercoolers this way increases cost and also adds steps to the manufacturing process.



Last edited by TurboBullett@Ambient Thermal Management; 10-28-2010 at 06:19 PM..
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      10-28-2010, 09:55 PM   #48
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Quote:
Originally Posted by TTurboBullett View Post
thanx for the compliments, utilizing the half round bars really directs the airflow with alot less restriction. we choose to do this because its the right way to do it and we FINALLY found a core manufacturer that could build the cores to our specifications. building the intercoolers this way increases cost and also adds steps to the manufacturing process.


Waiting for GB price.
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      10-28-2010, 10:33 PM   #49
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Waiting for GB price.
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      10-30-2010, 05:57 AM   #50
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Waiting for GB price.
+1

will it fit 2009 335xi?
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      10-30-2010, 07:53 AM   #51
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I'm no air flow expert, but I would find it had to believe that much air makes it through the top of of the Helix core. It would have to really move in an unnatual way to get up there. Has the Helix been proven to perform better than CP-E or AMS?
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      10-30-2010, 08:01 AM   #52
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any of these intercoolers fit the N55?

without modification I mean
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      10-30-2010, 09:28 AM   #53
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Quote:
Originally Posted by jdemetry View Post
I'm no air flow expert, but I would find it had to believe that much air makes it through the top of of the Helix core. It would have to really move in an unnatual way to get up there. Has the Helix been proven to perform better than CP-E or AMS?

Have you taken your bumper off and looked at the space above the top of your stock intercooler? There is about 4" of space above the top of the stock IC and the bumper support bar that air flows to the radiator.

Thus, the taller core fits exactly in that space, and should be a direct bolt.
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      10-30-2010, 09:44 AM   #54
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Originally Posted by techlogik View Post
Have you taken your bumper off and looked at the space above the top of your stock intercooler? There is about 4" of space above the top of the stock IC and the bumper support bar that air flows to the radiator.

Thus, the taller core fits exactly in that space, and should be a direct bolt.
Thanks, but that misses my point. I mean the intake flow, not the external flow. Also, blocking the radiator in a car known to have temp problems seems like a bad idea. I am a temp nazi, so I am a little biased. I just wonder if the temp drop, hot to cold, is any better with the Helix. CP-E has a great white paper on theirs, and the drop is far superior to stock.
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      10-30-2010, 09:49 AM   #55
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Quote:
Originally Posted by jdemetry View Post
I'm no air flow expert, but I would find it had to believe that much air makes it through the top of of the Helix core. It would have to really move in an unnatual way to get up there. Has the Helix been proven to perform better than CP-E or AMS?
in our prototype stage we tested this with pressure probes and infrared heat scanners. the entire core has equal airflow as the temps across the face of the core are consistent top to bottom. if you have ever taken a physics class you would know that gas wants to equalize its pressure and flow when in a vessel. The funny thing is no one wonders if the air flows equally in a taller thinner intercooler like the AMS when our taller section is basically the same thing. My design partner works in the airflow/cooling industry and just this week has purchased a FLIR(forward looking infrared camera-think Predator) we are going to be able to take movies of 2 cars side by side on the road showing the actual thermal image of the intercooler as its working under boost, what you will be able to see is if the entire core is working efficiently as well as its ability to thwart heatsoak
and yes their are plenty of end user independant(dont trust manufacturer data) datalogs that show how well the Helix works compared to the competition!
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      10-30-2010, 09:54 AM   #56
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Quote:
Originally Posted by TTurboBullett View Post
My design partner works in the airflow/cooling industry and just this week has purchased a FLIR(forward looking infrared camera-think Predator) we are going to be able to take movies of 2 cars side by side on the road showing the actual thermal image of the intercooler as its working under boost, what you will be able to see is if the entire core is working efficiently as well as its ability to thart heatsoak
Now that sounds interesting and fun - looking forward to seeing some of the results once you guys have a chance to get it set up...
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      10-30-2010, 09:54 AM   #57
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This is a new alternative on the IC market.



It looks really good and stealthy, and I think it's even bigger than Helix!

3D PDF: http://www.wagner-tuning.de/images/p...ercooler3D.PDF

Wagner Tuning: http://www.wagner-tuning.de/EN/produ...uehler_eng.php

Last edited by Big Tom; 10-30-2010 at 10:14 AM..
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      10-30-2010, 09:56 AM   #58
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Quote:
Originally Posted by jdemetry View Post
Thanks, but that misses my point. I mean the intake flow, not the external flow. Also, blocking the radiator in a car known to have temp problems seems like a bad idea. I am a temp nazi, so I am a little biased. I just wonder if the temp drop, hot to cold, is any better with the Helix. CP-E has a great white paper on theirs, and the drop is far superior to stock.
we've eliminated as much of potential problem with flow to the radiator with our rounded core face bars, in addition with over 300+ FMICS out on the street we havent had any complaints about increases in radiator temps and this is with cars that are tracked(Autocross/endurance racing/cannonball run style racing) and driven in very hot climates!

Last edited by TurboBullett@Ambient Thermal Management; 10-30-2010 at 10:06 AM..
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      10-30-2010, 09:59 AM   #59
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Quote:
Originally Posted by TTurboBullett View Post
in our prototype stage we tested this with pressure probes and infrared heat scanners. the entire core has equal airflow as the temps across the face of the core are consistent top to bottom. if you have ever taken a physics class you would know that gas wants to equalize its pressure and flow when in a vessel. The funny thing is no one wonders if the air flows equally in a taller thinner intercooler like the AMS when our taller section is basically the same thing. My design partner works in the airflow/cooling industry and just this week has purchased a FLIR(forward looking infrared camera-think Predator) we are going to be able to take movies of 2 cars side by side on the road showing the actual thermal image of the intercooler as its working under boost, what you will be able to see is if the entire core is working efficiently as well as its ability to thwart heatsoak
and yes their are plenty of end user independant(dont trust manufacturer data) datalogs that show how well the Helix works compared to the competition!
I am editing my post because TTuboBullet appears to have addressed my concerns in simultaneous posts with my whiny one. Thanks TT!

Last edited by MKE_M3; 10-30-2010 at 01:58 PM..
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      10-30-2010, 10:04 AM   #60
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Quote:
Originally Posted by Big Tom View Post
This is a new alternative on the IC market.



It looks really good and stealthy and I think it's even bigger than Helix!

Wagner tuning: http://www.wagner-tuning.de/EN/produ...uehler_eng.php

3D PDF: http://www.wagner-tuning.de/images/p...ercooler3D.PDF
WOW its funny how noone can come up with their own ideas That intercooler uses dual cores and has 11 charge rows to our 13. our exposed ambient face is also larger
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      10-30-2010, 10:11 AM   #61
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Quote:
Originally Posted by TTurboBullett View Post
WOW its funny how noone can come up with their own ideas That intercooler uses dual cores and has 11 charge rows to our 13. our exposed ambient face is also larger
...and this $250 piece has the largest ambient face :

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      10-30-2010, 10:11 AM   #62
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Originally Posted by jdemetry View Post
No need to insult me. I have an electrical engineering degree from one of the top programs in teh country. I understand how pressures work. In the reall world, under dynamic conditions, it isn't always as simple. For example, the entire post turbo to throttle body section is a "vessel" or a closed system, but the pressures are not identical everywhere in the system, such as pre and post intercooler. Also, I did not insult your product in any way (except to be concerned about it blocking the radiator more) which you did not address. You also provided no information about whether it produced better intake cooling.

All my defensiveness aside, its nice to know air gets up there!
I wasnt insulting you, most people on here dont have any engineering/testing background, I did answer your questions on an earlier thread about the effect on the radiator and heres a link to the FMIC comparison thread
http://www.e90post.com/forums/showth...+thread&page=7
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      10-30-2010, 10:14 AM   #63
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Quote:
Originally Posted by Big Tom View Post
...and this $250 piece has the largest ambient face :

can u take a pic inside the core id like to see the fin density also if you look at that pic with the inlet and outlet on the bottom air would move in the same way(up and down) it would in our taller section! Big tom if you could do some datalogs of 2-3-4 gear wide open throttle that would be great please log AIT RPM and Boost. to keep the constants similar we need to know ambient temperature and boost should be 13-14.5psi. this data is as close to an independant intercooler test as we can get!
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      10-30-2010, 10:30 AM   #64
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Quote:
Originally Posted by TTurboBullett View Post
can u take a pic inside the core id like to see the fin density also if you look at that pic with the inlet and outlet on the bottom air would move in the same way(up and down) it would in our taller section! Big tom if you could do some datalogs of 2-3-4 gear wide open throttle that would be great please log AIT RPM and Boost. to keep the constants similar we need to know ambient temperature and boost should be 13-14.5psi. this data is as close to an independant intercooler test as we can get!
This IC transformed my car to be the fastest N54 in Sweden (except from Enritas car with bigger turbos of course ), so I'm more than happy with it!
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      10-30-2010, 01:59 PM   #65
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Quote:
Originally Posted by TTurboBullett View Post
I wasnt insulting you, most people on here dont have any engineering/testing background, I did answer your questions on an earlier thread about the effect on the radiator and heres a link to the FMIC comparison thread
http://www.e90post.com/forums/showth...+thread&page=7
No worries. I edited my post!
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      10-30-2010, 02:36 PM   #66
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BT - Seems pretty inconsistent for you to suggest this.....

You've made it pretty clear that you believe that no matter how many thermodynamic studies or how much flow testing anyone has done that you think a $250 chinese intercooler the size of small piece of luggage works just as well and you have good performance to back it up. In some real world circumstances or on a dyno you may very well be right, good for you. I also applaud you for being innovative vs. imitative.

But unless I'm missing something or it's a joke, according to their site this is what? 790 euros or around $1100? With shipping this would be one of the most expensive options out there. Soooo......I'm not sure what your point is other than to poo on any option anyone suggests that isn't what you did or to suggest anything, even something like this so people don't buy from supporting venders? Ok, we get it....or maybe we don't get it???


Quote:
Originally Posted by Big Tom View Post
This is a new alternative on the IC market.



It looks really good and stealthy, and I think it's even bigger than Helix!

3D PDF: http://www.wagner-tuning.de/images/p...ercooler3D.PDF

Wagner Tuning: http://www.wagner-tuning.de/EN/produ...uehler_eng.php
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