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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Flapper Mod



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      08-31-2007, 06:59 AM   #1
Soccer_2010
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Flapper Mod

I have read about the flapper mod in a couple of places. I do have a few questions:

1. How do I do it?
2. Is there any performance difference?
3. How much is it improve the sound?
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      08-31-2007, 07:08 AM   #2
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flapflapflap

is this
aka "golf tee" mod
aka "noro-mod"
aka "unplug the vacuum solenoid mod"
aka "ball bearing mod"

that you speak of?
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      08-31-2007, 07:19 AM   #3
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It could be.
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      08-31-2007, 08:31 AM   #4
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don't flap too much, otherwise you'll get hairy palms
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      08-31-2007, 09:12 AM   #5
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      08-31-2007, 09:16 AM   #6
canucklion
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and blindness...


all kiddings aside, here's the golf-tee mod
http://www.e90post.com/forums/showthread.php?t=80661
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      08-31-2007, 09:19 AM   #7
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my toilet is working excellent now that I did the flapper mod to it
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      08-31-2007, 10:07 AM   #8
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Quote:
Originally Posted by canucklion View Post
and blindness...


all kiddings aside, here's the golf-tee mod
http://www.e90post.com/forums/showthread.php?t=80661
Thanks Canuck.

I was kinda all Thought I just spent a little time doing this...

But as discussed, seems the "Unplug" mod will record fault codes, whilst the Hose method will not. So... Yeah, the question comes down to do you give a crap about codes being recorded? Hmmm...
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      08-31-2007, 10:52 AM   #9
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Being discussed here --- >> http://www.e90post.com/forums/showth...t=80661&page=3
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      08-31-2007, 11:11 AM   #10
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Quote:
Originally Posted by Revlis View Post
Thanks Canuck.

I was kinda all Thought I just spent a little time doing this...

But as discussed, seems the "Unplug" mod will record fault codes, whilst the Hose method will not. So... Yeah, the question comes down to do you give a crap about codes being recorded? Hmmm...
I don't. As long as I'm not using any aftermarket equipment I think I'm pretty safe warranty-wise. I would be more worried about a cat back exhaust than unplugging the solenoid.
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