20+ HP to E63
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Member
Joined: Dec 2001
Posts: 135
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From: Potomac, Md
2006 E320 CDI, 2007 ML 320 CDI, 2008 C63, 2008 G55
20+ HP to E63
Sorry if this is old news to anyone but my mechanic at Euro MotorCars just recommended that we remove the 2 accordion style air filters that are installed in my E63. According to him they serve no purpose other than to purposely restrict air flow. The air filter housing has 2 built in filters and the accordion style filters are loosely housed in the air intake box. Removing these 2 extra filters greatly enhances air-flow and poses no harm to the vehicle. I just took them out and the vehicle seems much more responsive and peppy. He swears that it adds 20+ HP to the car.
Member
Joined: Jul 2004
Posts: 207
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From: Tucson, AZ
'15 E63S P30
The charcoal filter removal has been posted here and we're not entirely sure that it will add any HP.
Are you talking about the white paper filters? Not sure if I would want to remove those. It's pretty dusty here in Tucson and I don't want all that headed into the engine.
Are you talking about the white paper filters? Not sure if I would want to remove those. It's pretty dusty here in Tucson and I don't want all that headed into the engine.
MBWorld Fanatic!
Joined: Nov 2006
Posts: 9,137
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From: California, USA
E63 P30, CL500 Sport
Charcoal Filters Benefits For 63 Engines
If you're talking about the Charcoal filters, then removing them WILL add horsepower. It's just that some members experienced +18 whp and some experienced +2 whp.
But essentially, you will gain some horsepower even if not immediate.
Try a search for "charcoal filter" for more information on installation, instructions, and pictures.
But essentially, you will gain some horsepower even if not immediate.
Try a search for "charcoal filter" for more information on installation, instructions, and pictures.
Out Of Control!!
Joined: Feb 2003
Posts: 13,489
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haters crazy
Removing charcoal filters does add power
Euromotorcars Germantown? You must live close to me then. Check out absolutelydriven.com ofr the local euro forum with all the events/meets poste don there.
Euromotorcars Germantown? You must live close to me then. Check out absolutelydriven.com ofr the local euro forum with all the events/meets poste don there.
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MBWorld Fanatic!
Joined: Jul 2006
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From: L.A., CA
'08 M5, '10 Land Cruiser
It's fine everywhere. It's just a Cali-inspired emissions thing. Cars in dusty climes such as Spain don't have charcoal filters. I still have mine in and am at 8,000miles. Planning on removing them after my 15k service.
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MBWorld Fanatic!
Joined: Oct 2007
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From: San Jose, CA
2007 E63 w/P30 and Eurotech CF Diffuser
Posted this before.
The charcoal filters are to keep unburned gases from exiting the intake system when the engine is off. They are not intended to provide any filtering to the intake air. Removing them will have no detramental effects on the engine.
The charcoal filters are to keep unburned gases from exiting the intake system when the engine is off. They are not intended to provide any filtering to the intake air. Removing them will have no detramental effects on the engine.
MBWorld Fanatic!
Joined: Aug 2005
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From: Southern Cali (Ontario)
it will yeidl gains..
but depending on dyno system, temp, humidity.. types of fans use..ect.
I would add the K&N's and remove the charcoal filters immediately after break in period.
but depending on dyno system, temp, humidity.. types of fans use..ect.
I would add the K&N's and remove the charcoal filters immediately after break in period.
Super Member
Joined: Jul 2007
Posts: 783
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2006 s65. Ford Excursion 6.0. Pontiac GTO convertible. Porsche 944 Turbo SCCA car. Wife-E550 and 968
I think he is talking about the wrong filters, sounds like he removed the main ones, not the charcoal ones if they were truly white. If I remember correctly, The charcoal ones are small and charcoal colored, not white... removing the main filters is a bad idea unless you replace them with higher flowing ones...
Member
Joined: Jul 2007
Posts: 248
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From: DC
junk
charcoal filters are for eliminating smell right? like our charcoal cabin filters. took mine out and me and my wife noticed a buring plastic type smell after a while. put them back in and its gone now. guess there was a reason for them in my case at least.
MBWorld Fanatic!
Joined: Jul 2006
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From: L.A., CA
'08 M5, '10 Land Cruiser
Different filters than those in engine bay. As Jon has said..."The charcoal filters are to keep unburned gases from exiting the intake system when the engine is off"
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Joined: Apr 2008
Posts: 179
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From: Long Island
Turbonetics G35
Yea you removed the "charcoal in-cabin" filters, you need to remove the charcoal intake filters to get the extra power.
