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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.



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      08-27-2012, 12:22 AM   #551
Evil_McBain
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So after doing this it worked great for a day and then I noticed that some of my LED's were out or dim on my passenger side. I thought it was my bad luck and thought I would need a new taillight. So I plugged the actuator cable back in and the taillight issue went away. I guess I won't be unplugging it.
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      08-30-2012, 03:53 PM   #552
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Thx so much. My exhaust sounds amazing right now.
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      08-30-2012, 05:51 PM   #553
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so easy a caveman could do it...
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      09-03-2012, 07:20 PM   #554
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Unplugged it today.....mmmm i love it
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      09-12-2012, 09:08 AM   #555
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I never got to see the difference... I purchased my vehicle and it was already un plugged
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      10-11-2012, 10:12 AM   #556
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Huge difference! Much appreciated!
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      11-14-2012, 02:07 AM   #557
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i just did this for the e93. its actually really easy the hardest part was taking off the clips
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      11-19-2012, 03:02 AM   #558
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probably answered somewhere in the 26 pages of this thread... but does this have any impact on fuel economy?
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      11-19-2012, 03:32 AM   #559
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I noticed slight increase in MPG but only on long drives, steady speed. Why? Because driving around town it sounds so good I probably keep my foot into it more.

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      11-19-2012, 05:28 PM   #560
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Quote:
Originally Posted by Haasman View Post
I noticed slight increase in MPG but only on long drives, steady speed. Why? Because driving around town it sounds so good I probably keep my foot into it more.

Haasman
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      12-05-2012, 04:34 AM   #561
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I just did this cause I had my bro drive the car around at the airport and heard something funny. Googled and came across this thread. Thanks for the info!
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      12-05-2012, 03:26 PM   #562
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Has anyone attempted to use either a fuel cut-off valve, or some other type of ball valve in line just before the flapper instead of a ball bearing, etc.?


If something like this works then all you'd need to do is flip it on/off whenever you'd like without dealing with hose pinchers or wiring harnesses, etc.
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      12-08-2012, 03:48 AM   #563
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What does it sound like. I would like to know before I start unplugging things.
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      12-08-2012, 01:32 PM   #564
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Quote:
Originally Posted by Romanianbimmer View Post
What does it sound like. I would like to know before I start unplugging things.
It sounds like "lug lug lug lug lug vroom VRoooM VROOOOM gurgle gurgle snap-crackle-pop"

If that isn't convincing enough, I don't know what is...
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      12-11-2012, 10:04 PM   #565
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i second this ^
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      12-13-2012, 09:40 PM   #566
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Valve

Quote:
Originally Posted by FCobra94 View Post
Has anyone attempted to use either a fuel cut-off valve, or some other type of ball valve in line just before the flapper instead of a ball bearing, etc.?


If something like this works then all you'd need to do is flip it on/off whenever you'd like without dealing with hose pinchers or wiring harnesses, etc.
That's pretty slick.
I use a surgical hose clamp..
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      12-14-2012, 05:07 PM   #567
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I'm thinking about trying this on my E93. I hope there aren't any side effects for me! I wonder if the unplug method is worse or better than the hose clamp methods?
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      12-21-2012, 11:57 PM   #568
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unplugged it and barely noticed a difference, maybe it's just me, I came from a 2006 Subaru Legacy GT that had no muffler at all, straight piped and loud as all hell.

We'll see tomorrow as a I drive the car.
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      01-13-2013, 04:16 PM   #569
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Awesome! I'll be trying this tonight.
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      01-13-2013, 06:41 PM   #570
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Going to try this after icing stops
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      01-13-2013, 10:42 PM   #571
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Yeah, it sounds awesome!
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      01-29-2013, 03:14 AM   #572
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Yea I actually called up the local dealer and asked about this.

The guy said no negatives to doing it. Doesn't void any warranty.
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