E60, E61 Parts, Accessories and Mods Discussion about both stock and aftermarket parts for the E60. Accessories and modifications too!

Charcoal Filter Removal, hmmmmm.

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Old 05-12-2009, 06:56 PM
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Originally Posted by ivan545' post='876784' date='May 12 2009, 10:44 PM
increase emission, check engine light comes on so guys becareful.
Not on my car. Matter of fact my SA, who is a really good friend, said it was also a good idea.
Old 05-12-2009, 07:03 PM
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Originally Posted by JeffNNJ' post='876797' date='May 12 2009, 07:56 PM
Not on my car. Matter of fact my SA, who is a really good friend, said it was also a good idea.
That's right - no CEL, and a definite boost in performance. I took the filter out on my 545 and my 550 and it made a noticeable difference in both cases. This is, however, the first time I've ever heard anyone get some corroboration from BMW on the benefits of filter removal so good to know they agree!
Old 05-12-2009, 07:04 PM
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Now, you should go cleaning that MAF sensor next, but you probably think this is a bunch of BS at first.
Old 05-12-2009, 07:11 PM
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Originally Posted by theXman' post='876803' date='May 12 2009, 11:04 PM
Now, you should go cleaning that MAF sensor next, but you probably think this is a bunch of BS at first.
WTF is the MAF??
Old 05-12-2009, 07:12 PM
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Originally Posted by GENEaTALS' post='876793' date='May 12 2009, 10:51 PM
no charcoal filter in the 535i, so technically you already removed it , the boys in germany took care of it for you

http://forums.e60.net/index.php?s=&sho...st&p=722224
Gene- I see on page 118 of the owner's manual it speaks of the charcoal filter. Is this a different charcoal filter than the OP referred to?
Old 05-12-2009, 07:14 PM
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Originally Posted by JeffNNJ' post='876809' date='May 12 2009, 11:11 PM
WTF is the MAF??
Mass Airflow Sensor?

i am actually guessing based on general car knowledge
Old 05-12-2009, 07:25 PM
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Originally Posted by juris335' post='876810' date='May 12 2009, 08:12 PM
Gene- I see on page 118 of the owner's manual it speaks of the charcoal filter. Is this a different charcoal filter than the OP referred to?

Correct.

There's a charcoal filter for filtering air coming into the cabin. It filters odors and particulates which would otherwise travel into the passenger compartment. Leave that one in place as it doesn't change the power profile at all.

There's a different charcoal filter in the intake of certain models, right behind the air filter. When you turn off your car, a TINY amount of unburnt air/fuel remaining in your engine may find its way through the intake manifold, up the intake piping, through the intake filter, and out of the car. The charcoal filter stops the miniscule whiff of fuel from escaping out into the atmosphere. Take this one out for an increase in power and to cause treehuggers everywhere to gnash their teeth in pure unadulterated angst.
Old 05-12-2009, 07:25 PM
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Originally Posted by JeffNNJ' post='876809
Mass Airflow Sensor?

i am actually guessing based on general car knowledge

+1 with Craig...

here's the thread:

http://forums.e60.net/index.php?showtopic=73614

from banned member RWB/sleepycae(sp?)/545oh
Old 05-12-2009, 07:29 PM
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Originally Posted by NobleForums' post='876819' date='May 12 2009, 08:25 PM
Correct.

There's a charcoal filter for filtering air coming into the cabin. It filters odors and particulates which would otherwise travel into the passenger compartment. Leave that one in place as it doesn't change the power profile at all.

There's a different charcoal filter in the intake of certain models, right behind the air filter. When you turn off your car, a TINY amount of unburnt air/fuel remaining in your engine may find its way through the intake manifold, up the intake piping, through the intake filter, and out of the car. The charcoal filter stops the miniscule whiff of fuel from escaping out into the atmosphere. Take this one out for an increase in power and to cause treehuggers everywhere to gnash their teeth in pure unadulterated angst.
agreed, I believe some say to change the charcoal filter for the cabin when the a/c air becomes musty...
Old 05-12-2009, 07:53 PM
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This mod is even for those with em, well, smaller engines. I took mine out. I also noticed an increase in engine growl, which even for one of the smallest E60 engines, still sounds amazing. Not feeling the performace as much, but that's probably due to the fact I never really drove my car hard before the modding began

Also, no check engine, no errors. No idea where that came from. DO IT!


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