for 6.3 AMG: k&N, BMC, or PiperCross

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Apr 18, 2011 | 07:01 AM

Nimir Qatar

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2011 Mercedes Benz SLS AMG

for 6.3 AMG: k&N, BMC, or PiperCross

Which is the best air filter out of those three that any of you have used and tested. Which one gives more horsepower? or are they all somewhat the same? What gains did any of you see on the dyno?. I

Apr 18, 2011 | 11:18 AM

TTMotorsports

Former Vendor of MBWorld

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From: Long Island, NY

Whatever we're tuning!

K&N or BMC! FTMFW!!

Stay away from Pipercross!

Apr 18, 2011 | 11:58 AM

audifreak

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From: Singapore

c63

any particular reason to stay away from pipercross?

Apr 18, 2011 | 12:01 PM

Even Money

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From: PNW

'15 VW GTI

Quote:

Originally Posted by TTMotorsports

Stay away from Pipercross!

I can personally verify that. When I took my pipercross filters out they each had tears on the rubber seals. Plus, they just didn't flow as much as air as even the stock paper filters. Switched to BMC...

Apr 18, 2011 | 12:40 PM

MiamiAMG

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From: The Magic City

C63

Quote:

Originally Posted by Even Money

Do you notice any difference with the BMC filters from stock? Thx

Apr 18, 2011 | 01:31 PM

Even Money

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From: PNW

'15 VW GTI

Quote:

Originally Posted by MiamiAMG

Do you notice any difference with the BMC filters from stock? Thx

I haven't had the stock filters in for some time, so can't really recall. I did notice an immediate difference in sound on the intake when I first fired it up with the BMCs. I'm hoping to get back on the dyno relatively soon, so maybe have some more info...Everyone I talked to about the BMCs swears by 'em, so go for it.

Apr 18, 2011 | 02:34 PM

MiamiAMG

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From: The Magic City

C63

Quote:

Originally Posted by Even Money

Cool, good to know. Thanks.

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Apr 18, 2011 | 06:30 PM

MB_Forever

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From: California, USA

E63 P30, CL500 Sport

You may want to check this out before trying BMC

https://mbworld.org/forums/sl55-amg-...bmcs-pics.html

Apr 18, 2011 | 07:09 PM

#10

Even Money

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From: PNW

'15 VW GTI

Quote:

Originally Posted by MB_Forever

You may want to check this out before trying BMC

https://mbworld.org/forums/sl55-amg-...bmcs-pics.html

That's kind of what I had with my pipercross filters. The BMC fit perfectly on the air boxes, so above described issue shouldn't be a problem....but anyone can have problems...

Apr 18, 2011 | 07:23 PM

#11

GHAZAN

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From: Norte America

MBUSA

paper filters FTW

Apr 18, 2011 | 07:44 PM

#12

boschk

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From: Planet Earth

2006 CLS500 - Iridium Silver w/ AMG Sportline

Quote:

Originally Posted by AMS Performance

I've run K&N's for years w/o issue. But, I read the instructions about cleaning and oiling the filter. I blame the problems with oiled media on the monkey applying too much oil and installing too wet, not the product itself. It works fine if used properly.

But, I'll consider the AFE's b/c they sound good and involve less work.

Apr 18, 2011 | 07:46 PM

#13

DuaneC63

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From: San Diego/San Francisco

AMG GLC63. Audi R8

Stay away from any oil based filters. They will enventually foul your maf.

Apr 18, 2011 | 08:13 PM

#14

BEWJR

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2009 C63

TypePrice Choose one... Pro 5 RPro Dry S

Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter

Apr 18, 2011 | 09:28 PM

#15

SonnyakaPig

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Quote:

Originally Posted by DuaneC63

Stay away from any oil based filters. They will enventually foul your maf.

I've run BMC's for thousands of miles and I've checked the MAF's frequently and I've seen no oil residue at all.

I recently picked up some stock paper filters made by Mann (they cost like $16-$17) and although they are a little more quiet than BMC's they function great.

I'll try the AFE drys sometime.

Apr 18, 2011 | 09:31 PM

#16

boschk

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From: Planet Earth

2006 CLS500 - Iridium Silver w/ AMG Sportline

Quote:

Originally Posted by DuaneC63

Stay away from any oil based filters. They will enventually foul your maf.

At least 7 years of use with K&N on 3 different cars and many, many miles. No MAF foul. Why am I the exception?

Apr 19, 2011 | 02:08 AM

#17

Nimir Qatar

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2011 Mercedes Benz SLS AMG

Ok, I currently have Pipercross filters set up for an SL 63. So it wouuld be better to switch to BMC or K&N?

Apr 19, 2011 | 03:30 AM

#18

itsLoonie

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From: CALIFORNIA

2012 E350 RWD

Quote:

Originally Posted by BEWJR

TypePrice Choose one... Pro 5 RPro Dry S

Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter

Only Pro 5 R is oil based. The Pro Dry S isn't. Hover your mouse over the emblems on the site like the one you quoted and you'll get a brief description. Or you can choose the type of filter first and it'll have different descriptions for both.

Apr 19, 2011 | 03:32 AM

#19

MB_Forever

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From: California, USA

E63 P30, CL500 Sport

Quote:

Originally Posted by Even Money

That's kind of what I had with my pipercross filters. The BMC fit perfectly on the air boxes, so above described issue shouldn't be a problem....but anyone can have problems...

The filters in those pictures initially fit perfectly as well, but after a few miles of spirited driving, the filters seem to detach and bend out of shape. I'm hoping it's an isolated incident but who knows

Apr 19, 2011 | 10:52 AM

#20

TTMotorsports

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From: Long Island, NY

Whatever we're tuning!

Quote:

Originally Posted by MB_Forever

You may want to check this out before trying BMC

https://mbworld.org/forums/sl55-amg-...bmcs-pics.html

That is an install issue. You have to torque the air box bolts in a systematic way so you don't pinch the filter on one end which is what the SL65 owner did.

I thought Andy would actually know how to install air filters!

K&N oil ruining MAF's...............you are all clueless that beliive that!

Apr 19, 2011 | 01:21 PM

#21

AMS Performance

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AMG

Quote:

Originally Posted by itsLoonie

Correct, they have both oil based and non oil based. As I recall, The pro dry has a much higher filtration rate at 99.6% where as convetional oil filters are typically only 98.2%. Stock papers are roughly 99.8%, but with charcoals its pretty much 100%.

The pro dry will protect you engine better as well so it really is the best of both worlds, all the pros of the oil based, but with superior filtration of the paper. The added benefit of not having to ever reoil then is yet another long term cost savings that nobody factors in when comparing oil vs Pro dry.

Hope that helps,
AMS

Apr 19, 2011 | 09:40 PM

#22

SoCalCLK

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From: Southern California

2017 W205 C43 AMG

Quote:

Originally Posted by boschk

At least 7 years of use with K&N on 3 different cars and many, many miles. No MAF foul. Why am I the exception?

You're not the only one. I ran K&N's on my 2002 CLK430 for 55K miles, no MAF issues.

I've ran K&Ns on my current CLK55 AMG for 50K+ miles, no issues. Breathes much better on the fwys. Those 5.4L engines need to breathe!

Apr 20, 2011 | 04:59 PM

#23

AMG Powerrr

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From: Werkendam, Holland, Europe.

1999 Coupé Fiat 1.8 16v

I've got a Pipercross on my Coupe Fiat, and it roars like hell! My friends driving Alfa Romeo with an BMC, which isn't half as much as loud as mine Pipercross... A K&N is a silent whistler when you compare it to a Pipercross or a BMC

Jul 11, 2012 | 09:16 PM

#24

C6G

Junior Member

Joined: Jan 2011

Posts: 44

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From: Oregon

C63

Stay away from Pipercross! Mine were very poorly manufactured and are coming apart after my first cleaning. Going to probably just go back to good ole papers