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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 12-30-2012, 02:00 PM
2xBmw5er 2xBmw5er is offline
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BMW 540 with Bolton exhaust

Bmw 540ia wit Bolton exhaust and sound just like v8 when open
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Last edited by 2xBmw5er; 12-30-2012 at 10:21 PM.
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  #2  
Old 12-30-2012, 03:29 PM
edwin28 edwin28 is offline
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Mein Auto: 5401 Sport
Nice!! You Should Show us a Video....lol
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  #3  
Old 12-30-2012, 03:30 PM
Silverlight95 Silverlight95 is offline
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thats awesome....enough said
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  #4  
Old 12-30-2012, 04:15 PM
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the540wgn the540wgn is offline
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Looks like the cutouts are pneumatic, do you have a cabin button you can press to open/close them?

Very clean set up, hopefully you can post a vid
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  #5  
Old 12-30-2012, 04:58 PM
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Topaz540i Topaz540i is offline
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electric cutoff
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  #6  
Old 12-30-2012, 05:07 PM
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the540wgn the540wgn is offline
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Quote:
Originally Posted by Topaz540i View Post
electric cutoff
??
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  #7  
Old 12-30-2012, 05:37 PM
JimLev JimLev is offline
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Quote:
Originally Posted by the540wgn View Post
??
Electric motor driven.

How about a link to where you got them. I've been thinking about doing something like this for a long time.
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  #8  
Old 12-30-2012, 06:14 PM
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the540wgn the540wgn is offline
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Quote:
Originally Posted by JimLev View Post
Electric motor driven.
I was just poking fun at Topaz "electric cutoff"

Most electric cutouts that I've seen have smaller valve actuating mechanisms.
The size of the OPs lead me to think they might be pump actuated.
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Last edited by the540wgn; 12-30-2012 at 06:16 PM.
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  #9  
Old 12-30-2012, 07:36 PM
2xBmw5er 2xBmw5er is offline
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Quote:
Originally Posted by the540wgn View Post
Looks like the cutouts are pneumatic, do you have a cabin button you can press to open/close them?

Very clean set up, hopefully you can post a vid
i got one video , por sound and video ( will opload it )
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  #10  
Old 12-30-2012, 11:30 PM
z168 z168 is offline
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Oooooo interesting...

How much are they and where?
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Old 12-31-2012, 06:30 AM
nsogiba nsogiba is offline
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I explored this topic when I first bought my 540i, I wanted that screaming V8 sound without having to deal with it all the time.

I removed the exhaust from the car and cut out a 6" portion of each pipe after the cats, before they joined into the one pipe at the y resonator. I did this to allow fitment between gas tanks and to allow me to use only 1 e-cutout instead of 2.

Welded in the y pipe and ran the cutout with electric valve for a few months and loved it. silent when you want, and screams at the flip of a switch.

Unfortunately my motor seized up on me, and I ended up just running the cutout wide open all the time until I took the car off the road.
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