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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 > Carbon Filter removal



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      11-04-2006, 11:15 AM   #23
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im going to do this right now and ill tell you guys how it went
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      11-04-2006, 03:11 PM   #24
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just did it, didnt notice much now, but umm i didnt ride it for long, ill let the MAF adjust because i just went for a quick ride and the engine didnt even warm up
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      11-05-2006, 12:55 PM   #25
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definatly notice a difference, its better throughout the rpm range, and the hesitation at 3k and 4.1k are now alot less noticable if not totally gone...worth it IMO
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      11-05-2006, 04:53 PM   #26
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Just finished removing filter about 2hrs ago. took a quick drive for about ten mins. Didn't notice any increase in power but engine seemed a tiny bit louder or a difference in tone maybe. Hesitation seemed to be reduced somewhat and is more responsive from a complete stop. In sport mode didn't notice any change at all. I'm satisfied so far because it did reduce the main problem of hesitation. I never had problems with the power in this car, just the lack of smoothness throughout the powerband. I recommend this mod to anyone because it is very easy to do. Easy as an oil change which I also did at the same time. And the best part was that it was FREE. I'm wondering if the power gains from an after market intake is mostly from charcoal filter removal . Or are they used along with it?
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      11-05-2006, 09:11 PM   #27
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Quote:
Originally Posted by ssd99
Just finished removing filter about 2hrs ago. took a quick drive for about ten mins. Didn't notice any increase in power but engine seemed a tiny bit louder or a difference in tone maybe. Hesitation seemed to be reduced somewhat and is more responsive from a complete stop. In sport mode didn't notice any change at all. I'm satisfied so far because it did reduce the main problem of hesitation. I never had problems with the power in this car, just the lack of smoothness throughout the powerband. I recommend this mod to anyone because it is very easy to do. Easy as an oil change which I also did at the same time. And the best part was that it was FREE. I'm wondering if the power gains from an after market intake is mostly from charcoal filter removal . Or are they used along with it?
give it some time for the MAF to adjust to the greater feed of air...and since u just changed your oil let the oil get settled in (50miles) your going ot notice a difference in the next few days take my word...
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      11-06-2006, 09:25 AM   #28
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Quote:
Originally Posted by Driv3r
give it some time for the MAF to adjust to the greater feed of air...and since u just changed your oil let the oil get settled in (50miles) your going ot notice a difference in the next few days take my word...
Took my car about a week. But, I drive very low miles. You'll notice it.
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      11-06-2006, 11:06 AM   #29
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When I did mine I also put a K&N drop in filter. Feels the same to me as before after 3 weeks
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      11-06-2006, 04:21 PM   #30
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didn't feel a difference either

I think it's mostly psychological and butt-dyno
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Originally Posted by new2the3
When I did mine I also put a K&N drop in filter. Feels the same to me as before after 3 weeks
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