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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 > K&N or AFE Dry Air Filter?



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      08-14-2012, 11:53 PM   #1
AtlasDoc
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K&N or AFE Dry Air Filter?

As the title asks, which do you favor and why? Also, any recommendations for where to get one? Thanks in advance guys!
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      08-15-2012, 12:03 AM   #2
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BMC race.
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      08-15-2012, 12:40 AM   #3
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Quote:
Originally Posted by CamelBiscuit View Post
BMC race.
Really just looking for a dry filter to drop into my OEM airbox.
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      08-15-2012, 01:06 AM   #4
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Regular BMC then. I use them on the motorcycle and will never go back to K&N. The make them for cars also.
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      08-15-2012, 01:07 AM   #5
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http://www.bmcairfilters.com/
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      08-15-2012, 01:10 AM   #6
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Looks like about 90 dollhairs from the site for your filter.
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      08-15-2012, 04:20 AM   #7
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For the love of god don't make the newbie mistake of buying a drop in filter. Our cars have been put on the dyno with drop in filters and they consistently lose power. The stock paper filter is the best there is. I'd also be very sceptical of any intakes, turbo cars rarely benefit from them and the manufacturers often inflate the potential gains.
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      08-15-2012, 09:02 AM   #8
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Quote:
Originally Posted by Legion5 View Post
For the love of god don't make the newbie mistake of buying a drop in filter. Our cars have been put on the dyno with drop in filters and they consistently lose power. The stock paper filter is the best there is. I'd also be very sceptical of any intakes, turbo cars rarely benefit from them and the manufacturers often inflate the potential gains.
+!
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      08-15-2012, 09:14 AM   #9
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Depends. Do you want some crap in your engine or a lot of crap in your engine?
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      08-15-2012, 10:31 AM   #10
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stock is the best. quality and come lubricated for best results
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      08-15-2012, 11:42 AM   #11
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DCI works very well; from BMS typically.
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      08-15-2012, 11:43 AM   #12
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I had both
The K&N is better
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      08-15-2012, 01:05 PM   #13
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Quote:
Originally Posted by bumere90 View Post
I had both
The K&N is better
That shit was FUNNY! Forgive my noobiness...
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      08-15-2012, 02:59 PM   #14
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DCIs (BMS, aFe, ETS) > K&N Drop-In > aFe Drop-In > Stock
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      08-15-2012, 04:50 PM   #15
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K&N or AFE Dry Air Filter?

Quote:
Originally Posted by Legion5 View Post
For the love of god don't make the newbie mistake of buying a drop in filter. Our cars have been put on the dyno with drop in filters and they consistently lose power. The stock paper filter is the best there is. I'd also be very sceptical of any intakes, turbo cars rarely benefit from them and the manufacturers often inflate the potential gains.
+1
What he said.

It's a turbo. Unless the turbo can't pull enough air through the filter to maintain boost, you gain nothing. Stock and move on.
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      08-15-2012, 04:57 PM   #16
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Quote:
Originally Posted by techwhiz View Post
+1
What he said.

It's a turbo. Unless the turbo can't pull enough air through the filter to maintain boost, you gain nothing. Stock and move on.

OEM filter.
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      08-15-2012, 05:06 PM   #17
SalemChiro
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@AtlasDoc.....are you tuned? That's when filters make a difference.

From your name, did you attend Life in Marietta, GA.?
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      08-15-2012, 08:25 PM   #18
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Quote:
Originally Posted by SalemChiro View Post
@AtlasDoc.....are you tuned? That's when filters make a difference.

From your name, did you attend Life in Marietta, GA.?
Yup! Graduated in 2010 and opened my practice February of 2011. Also, I am not tuned...yet. Do you practice in Salem?
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      08-16-2012, 09:13 AM   #19
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If you plan on something like a COBB tune in the near future just buy the AFE drop-in filter now so it's one less thing to do later.

I graduated Life U. in 98....practice in Salem, MA.
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      08-16-2012, 10:16 AM   #20
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Quote:
Originally Posted by benzy89 View Post
DCIs (BMS, aFe, ETS) > K&N Drop-In > aFe Drop-In > Stock
I agree
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