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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 > Any true CAI on the market?



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      01-29-2009, 07:31 AM   #23
kpzypher
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I would just stick w/ DCI. I think they breathe better.
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      01-29-2009, 08:59 AM   #24
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$670 a piece...wow that's expensive. The performance gains you will get with this intake over a simple $130 dollar dual cone is no where near worth that kind of premium.

If your going for looks...well that's a different story. I prefer the look of the INJEN....that's a badass intake.
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      01-29-2009, 09:07 AM   #25
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Quote:
Originally Posted by diskopotato View Post
$670 a piece...wow that's expensive. The performance gains you will get with this intake over a simple $130 dollar dual cone is no where near worth that kind of premium.

If your going for looks...well that's a different story. I prefer the look of the INJEN....that's a badass intake.
Well, at that point in time, there were no DCIs on the market, so there is no comparison Now, u have more choices. However that being said, I love the STETT!
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      01-29-2009, 12:23 PM   #26
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Quote:
Originally Posted by auburngrad323is View Post
AFE has their new CAI on the market, and also carry the Dynamic Air Scoop to get more air from the kidney grill area.

http://store.bimmerworld.com/Product1055
lol that's not a cold air intake. Plus those claims are fucking ridiculous!

God that company sucks.

Last edited by stimpy; 01-29-2009 at 12:48 PM.
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      01-29-2009, 12:28 PM   #27
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wow that stett is MONEY... i paid 99 bucks for my DCI

i'd pay like 250 for it...
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      02-07-2009, 05:49 PM   #28
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I'm struggling with this. Even though the air filters sits in an extreme corner away from the engine, where does it get its cold air from? At 6000 rpm and 0.5 bar boost a 3.0 ltr engine is sucking in about 13 m3 of air a minute. As a rough guess i assume that is 20 times the free space under the hood, eg every 3 seconds all that air is being sucked in. The far majority (if not only) of air coming into the engine bay is thru radiator and intercooler, unless one changes, and utilizes the airduct going to the brakes. But even then that flow would be minimal compared to what comes thru radiator and intercooler.

I can't do this in imperials, but if you had a proper 4" (that's 10cm to me) dia intake in the bumper directly going into the engine that 13 m3 would translate in 29 mtr/sec intake speed (or 104kph / 65mph)

Thus unless you have that 4" intake, and do 65mph before flooring the throttle (and some other physical losses aside), i kind of wonder where all that cold air comes.
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      03-02-2009, 03:27 PM   #29
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I have a stett performance intake I love it but I am selling my 335i for a M3 and need to take it back to stock, So I am willing to sell my CAI I have pics I only had it for 3 months tops. Its polished black too not matt, I paid 795.. SO PM me to make me an offer..If you want one.
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      03-02-2009, 03:30 PM   #30
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STETT is sickk!

but I have Injen and I love it, the sound and high-end power = addictive too
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      03-02-2009, 04:45 PM   #31
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STETT is sickk!

but I have Injen and I love it, the sound and high-end power = addictive too
It is sick, I love mine
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      03-02-2009, 05:40 PM   #32
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All are pretty the same performance wise.
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      03-02-2009, 05:49 PM   #33
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Quote:
Originally Posted by F104 View Post
I'm struggling with this. Even though the air filters sits in an extreme corner away from the engine, where does it get its cold air from? At 6000 rpm and 0.5 bar boost a 3.0 ltr engine is sucking in about 13 m3 of air a minute. As a rough guess i assume that is 20 times the free space under the hood, eg every 3 seconds all that air is being sucked in. The far majority (if not only) of air coming into the engine bay is thru radiator and intercooler, unless one changes, and utilizes the airduct going to the brakes. But even then that flow would be minimal compared to what comes thru radiator and intercooler.

I can't do this in imperials, but if you had a proper 4" (that's 10cm to me) dia intake in the bumper directly going into the engine that 13 m3 would translate in 29 mtr/sec intake speed (or 104kph / 65mph)

Thus unless you have that 4" intake, and do 65mph before flooring the throttle (and some other physical losses aside), i kind of wonder where all that cold air comes.
I just modified the airduct going to the brakes.

- remove the half plastic plate covering the lower left grill. easiest way to get to this is by removing your driver side front wheel and accessing through the plastic tirewall (whatever its called)
- remove all the airduct plastic forcing the air directly on the brakes

Now you have a large open section which funnels air straight to your brakes and filter. Does this help? Who knows.

It seems logical to me.

BTW, I have the UR CAI.
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      03-02-2009, 05:59 PM   #34
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I have the UR also and the suction noise it makes is quite addicting to hear when you get on it....sounds like someone sipping out of a king kong size straw!

Last edited by cn555ic; 03-02-2009 at 07:58 PM.
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      03-02-2009, 07:06 PM   #35
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Quote:
Originally Posted by Alpine 335i View Post
All are pretty the same performance wise.
You got any information to support your statement?
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      03-09-2009, 03:31 PM   #36
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I have my stett performance CAI for sale. Pm me
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      03-12-2009, 03:03 PM   #37
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Quote:
Originally Posted by Izzman7995 View Post
If you know of one, lmk, i want to buy one to replace my duel cones...
Thanks,
Izzy

how about this one (alpina b6). might need a few other mods though

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      03-12-2009, 03:49 PM   #38
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Quote:
Originally Posted by F104 View Post
how about this one (alpina b6). might need a few other mods though

now THAT is a cold air intake! seems like a simple enough idea, even minus the ducting to eliminate hot air from the radiator and IC.
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