After Market Air Filter

bfi2906 · 09-08-2009, 02:16 AM

Anyone tried an aftermarket drop in air filter in the standard air box - K&N, etc?

If so, have you noticed any difference? And what are the differences?

aus135i · 09-08-2009, 02:26 AM

Yes, I have K&N in my airbox, main difference is sound(better of coz)...power I dont really think so (but works nice with my cp-e pipes)...hmmm also makes a little sucking air sound (very little, you will need to put ur window down and say in a quite indoor carpark, cant hear it while the car is moving)

qship · 09-08-2009, 05:23 AM

Ditto K&N.

More for economic reasons (i drive in dusty areas - feeling the serenty at Bonnie Doon) and it is easy to access and clean. No real power change that i noticed, but slightly more intake melody!

AussieRacer · 09-08-2009, 07:21 AM

BMC for me. Same results as above.

bfi2906 · 09-09-2009, 12:20 AM

Thanks for feedback guys.

wkthyk · 09-23-2009, 08:13 PM

Guys may I ask where can I get the K&N filter 33-2367 around Sydney? I rang a few auto shops but none of them get stock~

qship · 09-23-2009, 08:54 PM

Give Rocket Industries a call. They are the Australian distributors.

aus135i · 09-23-2009, 09:53 PM

i picked up mine from --- http://www.autotechengineering.com.au/

delete-this-account · 09-24-2009, 06:02 AM

has anyone put one in a 130i?
Any difference?

dk130i · 09-25-2009, 01:43 AM

Quote:

Originally Posted by intehnet

has anyone put one in a 130i?
Any difference?

You want to get one of these and report back?

BMW86 · 05-06-2010, 11:13 PM

Bringing this thread back from the dead. Any others running aftermarket drop-in filters?

I don't know if I should go drop-in or get an aftermarket intake?

Jeef Beef · 05-06-2010, 11:22 PM

Quote:

Originally Posted by BMW86

Bringing this thread back from the dead. Any others running aftermarket drop-in filters?

I don't know if I should go drop-in or get an aftermarket intake?

I'm running BMS dual cone SRIs, and they sound bloody AMAZING. The wooshing sound when you're on boost can be heard in the cabin even with windows up. It also gives a nice 'blowoff' sound when you lift off. Not only that, the volume of the sound across the whole rev range is louder and more sonorous.

Relatively cheap (got it shipped $180 from **********s) and easy DIY. However, performance on hot days is questionable and pod filters are illegal under NSW law. Apparently they can "spontaneously catch fire". Chyeh.

You'll also have to swap them out everytime you head in for service.

BMW86 · 05-06-2010, 11:30 PM

Quote:

Originally Posted by Jeef Beef

I'm running BMS dual cone SRIs, and they sound bloody AMAZING. The wooshing sound when you're on boost can be heard in the cabin even with windows up. It also gives a nice 'blowoff' sound when you lift off. Not only that, the volume of the sound across the whole rev range is louder and more sonorous.

Relatively cheap (got it shipped $180 from **********s) and easy DIY. However, performance on hot days is questionable and pod filters are illegal under NSW law. Apparently they can "spontaneously catch fire". Chyeh.

You'll also have to swap them out everytime you head in for service.

Thanks for your feedback Jeef Beef. I've been looking into the BMS dual cone setup as everyone says it sounds great and it's the cheapest solution. Only a few $ more than a drop-in filter.

Do you know if pod filters are illegal in QLD? I have never heard this before. I'm more concerned for insurance purposes if I ever need to make a claim.

BBK · 05-07-2010, 12:24 AM

On a side note... the sound seems to be louder on a standard car (boost wise) than if you are running a tune. Weird?

takahashi · 05-07-2010, 12:46 AM

So does anything think it is worth the money?

555 · 05-07-2010, 01:42 AM

Quote:

Originally Posted by takahashi

So does anything think it is worth the money?

NOPE!

And I had 2 x K&N cones already from previous cars... Made my own 3" to 2.25" adapters, fitted them.

it was sucking in that much hot air it was s**t.

Took it off.. running stock box

back then, was running AA... (same stretch of road), 2nd gear acceleration (WOT) from 40km/h - lots of wheelspin, where as with cones, no wheelspin... it's not a scientific result, but there is some merit in it.

TimMc · 05-07-2010, 02:38 AM

Yeah, I think the stock system with it's cold air intake is much better - even if it doesn't sound that way... I'm happier running a stock filter than an aftermarket anyway. Gains are questionable and there's always the warranty issue.

09-08-2009, 02:16 AM	#1
bfi2906 Captain 35 Rep 685 Posts Drives: 135 Coupe Join Date: Aug 2008 Location: Sydney iTrader: (0)	After Market Air Filter Anyone tried an aftermarket drop in air filter in the standard air box - K&N, etc? If so, have you noticed any difference? And what are the differences?
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09-08-2009, 02:26 AM	#2
aus135i Captain 27 Rep 828 Posts Drives: F80 M3 Join Date: Sep 2008 Location: SYD iTrader: (0)	Yes, I have K&N in my airbox, main difference is sound(better of coz)...power I dont really think so (but works nice with my cp-e pipes)...hmmm also makes a little sucking air sound (very little, you will need to put ur window down and say in a quite indoor carpark, cant hear it while the car is moving) __________________ GONE: E82,E83,K46,1199s,RS250,F20,F25,F82,Cayenne,G83 NOW: G07, G20, K66 Last edited by aus135i; 09-08-2009 at 02:47 AM..
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09-08-2009, 05:23 AM	#3
qship Disillusioned bourgeois capitalist pig! 21 Rep 488 Posts Drives: Blue Join Date: May 2008 Location: Malbin, Ozstralia iTrader: (0)	Ditto K&N. More for economic reasons (i drive in dusty areas - feeling the serenty at Bonnie Doon) and it is easy to access and clean. No real power change that i noticed, but slightly more intake melody! __________________ You can lead a fool to knowledge but you cannot make him think!
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09-08-2009, 07:21 AM	#4
AussieRacer Major 24 Rep 1,058 Posts Drives: 2008 135i Join Date: Apr 2008 Location: Aust iTrader: (0)	BMC for me. Same results as above. __________________ Current: 135i Auto, Le Mans Blue - w/ Bridgestone RE-11 rears, GP Thunder 7500k angels, & "golf tee" mod plus a few M3 suspension bits and pieces...
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09-09-2009, 12:20 AM	#5
bfi2906 Captain 35 Rep 685 Posts Drives: 135 Coupe Join Date: Aug 2008 Location: Sydney iTrader: (0)	Thanks for feedback guys.
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09-23-2009, 08:13 PM	#6
wkthyk wkthyk 3 Rep 74 Posts Drives: BMW 135i Coupe - Sedona Red Join Date: Feb 2009 Location: Sydney, Australia iTrader: (0)	Guys may I ask where can I get the K&N filter 33-2367 around Sydney? I rang a few auto shops but none of them get stock~ __________________ 09 BMW135i ; 06-09 Mazda RX8 ; 05-06 Honda City Turbo II ; 03-05 Nissan Skyline R33 GTS25T 4-Door Nismo limited Version ; 01-02 Nissan Silvia S13 ; 99-01 Nissan Skyline R31
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09-23-2009, 08:54 PM	#7
qship Disillusioned bourgeois capitalist pig! 21 Rep 488 Posts Drives: Blue Join Date: May 2008 Location: Malbin, Ozstralia iTrader: (0)	Give Rocket Industries a call. They are the Australian distributors. __________________ You can lead a fool to knowledge but you cannot make him think!
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09-23-2009, 09:53 PM	#8
aus135i Captain 27 Rep 828 Posts Drives: F80 M3 Join Date: Sep 2008 Location: SYD iTrader: (0)	i picked up mine from --- http://www.autotechengineering.com.au/ __________________ GONE: E82,E83,K46,1199s,RS250,F20,F25,F82,Cayenne,G83 NOW: G07, G20, K66
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09-24-2009, 06:02 AM	#9
delete-this-account Private 7 Rep 98 Posts Drives: DD Join Date: Sep 2009 Location: DD iTrader: (0)	has anyone put one in a 130i? Any difference?
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05-06-2010, 11:13 PM	#11
BMW86 Major General 398 Rep 9,156 Posts Drives: RS3 Sedan / Macan S Join Date: Jul 2008 Location: Australia iTrader: (0)	Bringing this thread back from the dead. Any others running aftermarket drop-in filters? I don't know if I should go drop-in or get an aftermarket intake?
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05-07-2010, 12:24 AM	#14
BBK Banned 88 Rep 3,070 Posts Drives: A boring one... Join Date: Oct 2008 Location: Australia iTrader: (0) Garage List 2009 BMW 135i [5.76]	On a side note... the sound seems to be louder on a standard car (boost wise) than if you are running a tune. Weird?
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05-07-2010, 12:46 AM	#15
takahashi Retired trackie 36 Rep 1,527 Posts Drives: 1///M Join Date: Jul 2008 Location: Melbourne, Australia iTrader: (0)	So does anything think it is worth the money? __________________ TAKA 一仔BLOGブログ: BMW 1 series M 2011! Delivered 18/11/11.
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05-07-2010, 02:38 AM	#17
TimMc Lieutenant Colonel 44 Rep 1,883 Posts Drives: E90 M3 Join Date: Aug 2008 Location: Brisbane, Australia iTrader: (0)	Yeah, I think the stock system with it's cold air intake is much better - even if it doesn't sound that way... I'm happier running a stock filter than an aftermarket anyway. Gains are questionable and there's always the warranty issue.
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