Quote:
Originally Posted by XSixxx
Just to report back...
I finally got a chance to get her out after removing the carbon filters. Traffic was a bit too much to feel if there are any real power gains to be had (no WOT pulls), BUT I did feel like there were some sound gains. It could totally have been the placebo effect, but I thought she did sound a bit deeper on normal driving in Comfort mode.
I'm sure there has to be a little performance gain. I mean, after all, you removed potentially as much as 50% of the engines breathing capability. That has to be worth something! Same will go for when you replace the OEM paper filter with a BMC. More flow should mean more power, right? Of course, those true numbers will only be had when/if someone does a dyno before and after installation. I'm not planning on doing that...but I'd be grateful if someone actually does!
Wasn't there reports of the M850i guys getting, like, 25-30 HP gain...? Sounds crazy to me.
At any rate, again, could just be my imagination, but removing the carbon filters made the exhaust seem better/deeper and that's all I was hoping for anyway. Will be interesting to see if that trend continues when the BMC filters are installed, too.
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I'll let you know. Mine will be here next week.
Truthfully, I don't expect much. 25-30hp? No way.
Honestly, realistically, I would say 10-12. Not much more.
Maybe a bit more sound.... i definitely prefer to clean when I need to versus finding another filter set. That's a perk too.
For a car enthusiast, they are a necessity.... because even 5hp is worth it.
For everyone else? Not so much.