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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics DIY Guides & Discussions Exhaust valve Open: how to
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      01-05-2014, 06:18 PM   #1
ARC550
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Exhaust valve Open: how to

Does anyone know the proper way of zip tying the mechanism that keeps the valve open? Is there a how to? What is recommended? Zip ties? Or wire?
I am looking for an increase I'n noise without upgrading exhaust. Thanks.
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      01-05-2014, 06:24 PM   #2
Lee
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Check it out, halfway down the thread. I managed to do it and I'm not handy at all. Noticed a slight increase, but not as much as the 650 on the clip.

http://f10.5post.com/forums/showthre...&highlight=zip
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      01-05-2014, 07:17 PM   #3
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Thanks for the info. Much appreciated.
Would you happen to have a video of your car? Sound sample?
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      01-06-2014, 03:30 AM   #4
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AR,

i am planing to do this...

http://f10.5post.com/forums/showthread.php?t=630331

this will take care of the flaps..
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      01-06-2014, 12:33 PM   #5
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Great!! Maybe we can do it together!.. I will be honest I Really like the trapezoid exhaust. I think I will do that but retain the original look. i just need a little more noise.
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      01-11-2014, 02:38 PM   #6
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I just did this mod and it took 5 minutes .
I used 10 inch zip ties. It was easy considering the maneuverability of the long ties.
The slight increase in sound (10%~15%) . Honestly It is not really noticeable unless it's a cold start.
Verdict: this car needs mufflers/ exhuast's.
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      04-30-2014, 07:48 PM   #7
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I cannot figure out where those vacuum springs are on a 2011 535i.

Instead, I found a connector (looks similar to the E92 golf tee mod connector) on the left side just between the diffuser and muffler tucked in. I unplugged it, did notice a slight increase in noise, Although it threw a TPMS Error I am unsure if that plug was for the vacuum line for exhaust or the TMPS.

ANY feedback if that connector is the right one, how I can find this setup for a 2011 535?
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      05-03-2014, 08:25 AM   #8
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Quote:
Originally Posted by obiltagi3 View Post
I cannot figure out where those vacuum springs are on a 2011 535i.

Instead, I found a connector (looks similar to the E92 golf tee mod connector) on the left side just between the diffuser and muffler tucked in. I unplugged it, did notice a slight increase in noise, Although it threw a TPMS Error I am unsure if that plug was for the vacuum line for exhaust or the TMPS.

ANY feedback if that connector is the right one, how I can find this setup for a 2011 535?
I'm PRETTY sure that the 535 doesn't have the valves.

Just did it on my 550 and noticed a slight increase in sound, but definitely need a a new exhaust/muffler eventually lol.
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