Installed K&N Filter

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11-11-2006, 11:35 AM

#51

remuse

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My Ride: 2004 545iA - Built date 09/03, Sport Package, Alpine White III, Grey Interior, Cold Weather Package, PDC, Rear Electric Sunshades, Comfort Seats, Logic 7, Chromed BMW Style 124 18x8, 18x9 Wheels, M-Tech Aero Kit, Rear Trunk Decklid Spoiler, Tinted Windows, Valentine One Modifications: RDSport Quad Exhaust, 20x8.5 and 20x11 HRE 943R, Vorsteiner CF Decklid, Dinan CAI

Quote:

Originally Posted by cmansbimmer' post='351520' date='Nov 2 2006, 10:56 AM

So I decided to remove the charcoal filter earlier this week and ended up ordering the new K&N filter to replace the stock, orange filter. Definitely a noticeable difference and sound from the car. I'm sure it's much greater with the 550, but not a bad mod for $50. Next up, remap of the ECU by Superchips.

Just thought I'd share.

I just removed the charcoal air filter and installed the K&N air filter on my 545i.

First impression is that at full throttle it is more responsive and noticeable compared to stock. As for the sound, it is also noticeable. It sounds kind of throaty at full throttle. Now thinking may be I should go for the Dinan CAI later.

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11-11-2006, 12:30 PM

#52

my530i

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Go for Dinan exhaust ($1400) which is wayy cheaper than Hamann. It's even more expensive if you don't have Mtech bumper.
Exhaust ~$2200 (include shipping)
Defuser ~$800 (WTF)
Mkit bumper+paint ~$700

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11-11-2006, 01:16 PM

#53

jrsamps

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My Ride: 06 530XI Sapphire Black, Black Int. 6sp, Cold, Prem

The filter they offer on the K&N web site, is that the replacement for the charcoal flter or the main filter?
Does it make since to replace them both?

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11-11-2006, 01:24 PM

#54

kchan

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My Ride: 07 BMW 525i Premium Package, Xenon Lighting Package, manual Transmission. Titanium Grey, 20% Tint around the back, 70% V-Kool on front. Planned mods: Style 71 wheels with Toyo Proxy 4 tires, Sachs suspension upgrade, upgraded stereo, and many more to come.

Quote:

Originally Posted by jrsamps' post='354967' date='Nov 11 2006, 02:16 PM

The filter they offer on the K&N web site, is that the replacement for the charcoal flter or the main filter?
Does it make since to replace them both?

It's a replacement for the main filter. you DON'T WANT any type of charcoal filter at all!
Take out the charcoal, and replace the main one with K&N =)

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11-11-2006, 01:36 PM

#55

C's Bimmer

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My Ride: 2008 Silverstone II E60 M5 2012 E70 AW X5 50i Sport w/ LCI Aero Kit and Rocker Panels

Quote:

Originally Posted by jrsamps' post='354967' date='Nov 11 2006, 05:16 PM

The filter they offer on the K&N web site, is that the replacement for the charcoal flter or the main filter?
Does it make since to replace them both?

it's for the main, stock, orange filter. lose the charcoal filter and swap the stock orange air filter for the K&N and you're set.

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11-11-2006, 01:46 PM

#56

remuse

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Quote:

Originally Posted by my530i' post='354943' date='Nov 11 2006, 04:30 PM

Go for Dinan exhaust ($1400) which is wayy cheaper than Hamann. It's even more expensive if you don't have Mtech bumper.
Exhaust ~$2200 (include shipping)
Defuser ~$800 (WTF)
Mkit bumper+paint ~$700

My530i, I do have the M-Tech kit. I was actually considering whether I should now get the Dinan cold air intake or not.

As for the exhaust, it is already in the works.

Thanks.

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11-11-2006, 02:22 PM

#57

terracotta

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I just installed the K&N filter and noticed a "slight" improvement in throttle response and smoother acceleration. Thanks for the inexpensive mod reccommendation.