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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Free Power (charcoal filter removal)



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      03-08-2006, 10:57 AM   #155
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Quote:
Originally Posted by ben1364
A better question might be, "Why does BMW equip NA and perhaps cars for certain other markets with the charcoal filter if it serves no purpose?" It is out of sight and does not add perceived value to the package.
Dude how many times will you rephrase your opinion. Itís for U.S. emissions requirement. And we get it.... you donít want to remove it....but others are free to discuss its removal or god forbid even do it. I have heard you bad mouthing the removal several times. Get over it....Tree hugger!
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Last edited by porscheneer; 03-08-2006 at 11:19 AM.
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      03-08-2006, 11:06 AM   #156
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Correct. It's simply there to meet a certain California Emissions standard. The E90 meets the LEV II ULEV standard at this time. Check out this link - very interesting: http://www.driveclean.ca.gov/en/gv/d...an/bguides.asp

Most all manufaturers now ship one emissions spec for all US, CA emissions, rather than a Fed spec and a CA spec as was the case a few years ago. It's simply cheaper this way, obviously.

Edit: By the way, the very first thing I'm doing once I park my E90 in my garage, after taking delivery of it later this month, is remove that darn thing. I want the ECU to settle into it's "groove" along with my driving style as soon as possible, and without that additional intake restriction!

Last edited by sleepermax; 03-08-2006 at 11:38 AM.
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      03-08-2006, 11:13 AM   #157
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To appease the tree-huggers.
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      03-08-2006, 12:57 PM   #158
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Quote:
Originally Posted by porscheneer
Dude how many times will you rephrase your opinion. Itís for U.S. emissions requirement. And we get it.... you donít want to remove it....but others are free to discuss its removal or god forbid even do it. I have heard you bad mouthing the removal several times. Get over it....Tree hugger!
I suppose you are correct. I should and will refrain from commenting on this subject since so many believe that they can realize "free power" by violating emmissions standards for no good reason. I have done so only because I hate to see people tear out something that may have to be replaced at substantial cost. From now on it is "cavaet emptor" as far as I am concerned. I do know that some dealership service personnel are aware of this thread...

BTW. I am neither a 'dude' or a 'tree hugger' and don't know what you meant by "cry". Are you upset? <g>

Good luck!

Last edited by ben1364; 03-08-2006 at 01:00 PM. Reason: addition
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      03-08-2006, 01:29 PM   #159
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Quote:
Originally Posted by ben1364
I suppose you are correct. I should and will refrain from commenting on this subject since so many believe that they can realize "free power" by violating emmissions standards for no good reason. I have done so only because I hate to see people tear out something that may have to be replaced at substantial cost. From now on it is "cavaet emptor" as far as I am concerned. I do know that some dealership service personnel are aware of this thread...

BTW. I am neither a 'dude' or a 'tree hugger' and don't know what you meant by "cry". Are you upset? <g>

Good luck!
Your right I am upset. I want "Free Power" and you're in my way !
Thanks for the "cavaet emptor" now we can get back on topic. I will look forward to your posts on other threads.
later ben!
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      03-08-2006, 01:40 PM   #160
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Quote:
Originally Posted by porscheneer
Dude how many times will you rephrase your opinion. Itís for U.S. emissions requirement. And we get it.... you donít want to remove it....but others are free to discuss its removal or god forbid even do it. I have heard you bad mouthing the removal several times. Get over it....Tree hugger!
Can you put something similar in the "Cup Holder" thread as well?
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      03-08-2006, 01:44 PM   #161
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It's been about a month since I removed mine and here's my report.

What happenned:
1) better from a stop acceleration
2) better sustained pull through the powerband

What hasn't happened
1) constant smell of vapors in my garage.
2) decreased mpg
3) EPA, BMW, State of Ca. et.al knocking on my door because a sensor went off that I removed it.
4) Birds, planes, etc failing from the sky because of the increased vapors.
5) All my tress are dying from the smell.

Am I being an ass, yep. But guess what folks, I'm the one who spent 40K+ plus on this car and it's MY filter to remove.

If you don't want remove yours that's fine too, but it's time to start showing some for anyone who has the right to handle their asset in the manner they choose.

Last edited by Carnage; 03-09-2006 at 01:14 AM.
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      03-08-2006, 01:49 PM   #162
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Quote:
Originally Posted by noflash
Can you put something similar in the "Cup Holder" thread as well?
I read the thread , but im not too passionate about the cupholder debate. but I did drop water on my center console when I took a hard right once, and I said FAULK! :mad: so loud the lady in the car next to me started laughing !

I just stopped using the cup holders, if the wife is with me I let her hold it so if it spills it wont be on the seats
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      03-08-2006, 01:52 PM   #163
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Quote:
Originally Posted by matsarge
It's been about a month since I removed mine and here's my report.

What happenned:
1) better from a stop acceleration
2) better sustained pull through the powerband

What hasn't happened
1) constant smell of vapors in my gargage.
2) decreased mpg
3) EPA, BMW, State of Ca. et.al knocking on my door because a sensor went off that I removed it.
4) Birds, planes, etc failing from the sky because of the increased vapors.
5) All my tress are dying from the smell.

Am I being an ass, yep. But guess what folks, I'm the one who spent 40K+ plus on this car and it's MY filter to remove.

If you don't want remove yours that's fine too, but it's time to start showing some for anyone who has the right to handle their asset in the manner they choose.
Sweet! the jury is out on sounding better I guess and no CEL is good thanx for the report.
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      03-08-2006, 02:12 PM   #164
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Quote:
Originally Posted by porscheneer
I read the thread , but im not too passionate about the cupholder debate. but I did drop water on my center console when I took a hard right once, and I said FAULK! :mad: so loud the lady in the car next to me started laughing !

I just stopped using the cup holders, if the wife is with me I let her hold it so if it spills it wont be on the seats
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      03-08-2006, 03:02 PM   #165
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Quote:
Originally Posted by noflash
your posts are dangerously close to a 996
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      03-08-2006, 03:30 PM   #166
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Are you referring to...
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      03-08-2006, 03:31 PM   #167
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...the greatest sports car of all time?!?


(and now, you will all be thrilled, a slight moratoreum on posting)








<<<--------------<<<<<!!!
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      03-08-2006, 03:39 PM   #168
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I removed mine last night and forgot to plug in the Air Mass Flow sensor, so the idiot light (yes for me - duh!) came on (Service Engine Soon). I plugged the sensor back in and found OK results with maybe some better response from the engine. I took the car to the dealer today and did not say anything excet the light is on. The report I got from the dealer is that the sensor is reading a lean mixture (because of the less restriction no doubt) and he wants to replace the sensor, but must order this part. He did reset the light and it has not gone off - yet. I will likely not go back for the new sensor when he calls unless the light goes on again. I am wondering if the lean indication will be compensated for, or will this cause an issue down the road. One other issue is that, if they replace the good sensor will the reading still be lean, causing the technition to further trouble shoot the "problem" and find my "Free Power Mod". Has anyone else had any issues with the "Service Engine Soon" light or know if the computer is reacting properly to the lean mixture indication?
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      03-08-2006, 04:37 PM   #169
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Thumbs up

Quote:
Originally Posted by noflash
...the greatest sports car of all time?!?


(and now, you will all be thrilled, a slight moratoreum on posting)








<<<--------------<<<<<!!!
SWEEEET NO MORE POSTS FOR YOU
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      03-08-2006, 04:40 PM   #170
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Quote:
Originally Posted by TrackJunkie
I removed mine last night and forgot to plug in the Air Mass Flow sensor, so the idiot light (yes for me - duh!) came on (Service Engine Soon). I plugged the sensor back in and found OK results with maybe some better response from the engine. I took the car to the dealer today and did not say anything excet the light is on. The report I got from the dealer is that the sensor is reading a lean mixture (because of the less restriction no doubt) and he wants to replace the sensor, but must order this part. He did reset the light and it has not gone off - yet. I will likely not go back for the new sensor when he calls unless the light goes on again. I am wondering if the lean indication will be compensated for, or will this cause an issue down the road. One other issue is that, if they replace the good sensor will the reading still be lean, causing the technition to further trouble shoot the "problem" and find my "Free Power Mod". Has anyone else had any issues with the "Service Engine Soon" light or know if the computer is reacting properly to the lean mixture indication?
Dude, wait till Ben gets a hold of this, I wonder if he can stay away as promised.
Anyway your problem was it read lean when it was unplugged and that was the error stored in the DME not the current condition the OBDII only stores errors that make the CEL come on and not a status of constant monitoring. If the error does not repeat the CEL will go off. There are others that have done this mod and no CEL so it may just be isolated because of the disconnected MAF. I would not take it back to the dealer to further investigate, especially if the CEL does not come back on.

Keep us posted.
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      03-08-2006, 04:48 PM   #171
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Quote:
Originally Posted by porscheneer
SWEEEET NO MORE POSTS FOR YOU
D'oh!


Mmmmmmmmmmm... 997.
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      03-09-2006, 08:59 AM   #172
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Thanks for the clarification

Porscheneer,

Thanks for the clarification. The CEL has not come on, so I will just let the dealer know I do not want to bother replacing the MAF.
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      03-09-2006, 09:11 AM   #173
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Quote:
Originally Posted by TrackJunkie
Porscheneer,

Thanks for the clarification. The CEL has not come on, so I will just let the dealer know I do not want to bother replacing the MAF.
Good job dude that was risky showin up to the dealer with a MAF CEL after removing the charcoal filter. And they still did not see the filter was out. Good thing they have there head up there ass and rely soley on the diagnostic computer.
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      04-25-2006, 10:27 AM   #174
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any one dynoed this yet?
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      04-26-2006, 12:35 AM   #175
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Still no DIY / Cutting pics? !
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      04-27-2006, 02:18 AM   #176
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Quote:
Originally Posted by fibercus
Still no DIY / Cutting pics? !
what good are pics of it cut going to do for you? You have seen pictures of the filter..... now imagine a hole through it !
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