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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 > K&N vs Injen



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      11-27-2011, 02:37 PM   #1
jtNJ92
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K&N vs Injen

new to intakes, i have an 06 325i and am just looking for a noticeable sound difference. found this video on youtube and love how it sounds



just wondering on experience with either brand because i always heard k&n is one of the best but i can't find any videos of a k&n system in a bmw
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      11-27-2011, 03:42 PM   #2
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Doesn't matter. Power, quality and sound-wise it will pretty much all be the same so you can either get the cheapest one or the one that you like the best. Enjoy your intake!
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      11-27-2011, 09:11 PM   #3
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I have an Injen Intake with Amsoil filter. great sound but i cant clean the filter so i decided on getting a K&N filter (cone) to attach to the injen tubing and after about a day or so my check engine light came on. My car cant handle the K&N filter, i'm running to lean! i put the stock airbox back in and so far no check engine light. The k&n had a much deeper sound then the amsoil filter but too bad my car isnt able to handle the k&n. I have a 2007 328i. hope this helps. Cheers
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      11-27-2011, 09:23 PM   #4
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Quote:
Originally Posted by Helka View Post
I have an Injen Intake with Amsoil filter. great sound but i cant clean the filter so i decided on getting a K&N filter (cone) to attach to the injen tubing and after about a day or so my check engine light came on. My car cant handle the K&N filter, i'm running to lean! i put the stock airbox back in and so far no check engine light. The k&n had a much deeper sound then the amsoil filter but too bad my car isnt able to handle the k&n. I have a 2007 328i. hope this helps. Cheers
really? first time i heard an issue like that are you sure you installed the clamps tight enough?, sounds like you have extra air leaking in some where
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      11-28-2011, 08:29 AM   #5
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i have the afe intake. at first it felt like i had 300 hp extra under the hood. but when i got used to it, i started to feel that the car was not running smooth any more... but the sound is damn nice
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      11-28-2011, 05:57 PM   #6
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Quote:
Originally Posted by Helka View Post
I have an Injen Intake with Amsoil filter. great sound but i cant clean the filter so i decided on getting a K&N filter (cone) to attach to the injen tubing and after about a day or so my check engine light came on. My car cant handle the K&N filter, i'm running to lean! i put the stock airbox back in and so far no check engine light. The k&n had a much deeper sound then the amsoil filter but too bad my car isnt able to handle the k&n. I have a 2007 328i. hope this helps. Cheers
yea after all that i've been reading on multiple sites that's the first time i've heard any type of bad experience with K&N
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      11-29-2011, 09:27 AM   #7
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Quote:
Originally Posted by Helka View Post
I have an Injen Intake with Amsoil filter. great sound but i cant clean the filter so i decided on getting a K&N filter (cone) to attach to the injen tubing and after about a day or so my check engine light came on. My car cant handle the K&N filter, i'm running to lean! i put the stock airbox back in and so far no check engine light. The k&n had a much deeper sound then the amsoil filter but too bad my car isnt able to handle the k&n. I have a 2007 328i. hope this helps. Cheers
Try it again. Something was disconnected or there was a vacuum leak. The filter will not cause your car to run lean, the computer will compensate based on the intake sensor to the correct air/fuel mixture.

If the sensor was unplugged or loose --- it'll throw a CEL light.
If there is a vacuum leak AFTER the sensor --- it'll throw a CEL light.
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      12-04-2011, 11:15 PM   #8
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I will try the k&n again in the summer. For now I'm running stock.
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      12-22-2011, 10:19 PM   #9
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I just recently installed the Injen Intake in my car. It definitely adds some nice sound and a slight performance gain as well.
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      12-27-2011, 09:59 PM   #10
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Injen Intake +1
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      12-28-2011, 03:12 AM   #11
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+1 KN
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      12-28-2011, 01:13 PM   #12
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K&N Does not make a full intake only a drop in filter.

I personally have the Injen SP1121blk Short Ram and love it.

Drop in wont change sound, actual intake will.
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      12-29-2011, 06:27 PM   #13
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haha i love my injen too ^^^
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