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  #11  
Old 10-19-2011, 08:32 PM
ard ard is offline
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Quote:
Originally Posted by docpowell View Post
No..no..Ard. I know that you believe that you are the supreme knowledge on all things auto, you are not.
Having owned a few diesel trucks with modified exhausts, I can speak to this. While most aftermarket exhaust are cat back, not all of them are. There are several that are true complete exhausts. Look it up.
Two, I never said that the exhaust systems are not legal to sell, but bypassing the Diesel Exhaust Filtration (DEF) is not street legal due to the emissions requirements, thus these aftermarket parts are sold as "off road use only."
The entire exhaust system is restrictive, the cats, muffler, headers, and pipes, etc.
In the BMW with the UREA system in place, (it can by bypassed.) no one is going to mass produce an aftermarket system for this vehicle because the market isn't there. It is there for the Fords, Chevy's, etc.
And when you bypass the DEF, emissions are changed. So before correcting everyone on these blogs, check yourself. Thanks.
OK doc. Show me ONE system that deletes the DEF system.
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  #12  
Old 10-20-2011, 12:44 AM
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BMW X5 Diesel Sportauspuff Exhaust Extrem Sound - YouTube

F&F Motorsport in Germany.
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  #13  
Old 10-20-2011, 08:24 AM
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Quote:
Originally Posted by ard View Post
OK doc. Show me ONE system that deletes the DEF system.

Here is a SINGLE website with tons of them.

Diesel Performance Kits

Try Google...search DEF or DPF delete. You will find many.

Good enough...
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  #14  
Old 10-20-2011, 08:27 AM
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Originally Posted by Syndicate View Post

For European spec cars, this is possible for aftermarket. But US Specs have urea addative and exhaust filtration system which do not except these exhaust kits. But I think it sounds bad ass.
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  #15  
Old 10-20-2011, 12:58 PM
ard ard is offline
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Quote:
Originally Posted by docpowell View Post
Here is a SINGLE website with tons of them.

Diesel Performance Kits

Try Google...search DEF or DPF delete. You will find many.

Good enough...
Couldn't find the X5 there...

And here is the picture of the Remus Diesel Sportauspuff






Shocking, but it looks like a 'cat back' system- ie doesnt interfere with the SCR Catalyst system....

I can be a prick and have an attitude, and I will readily admit when I am wrong.... any exhaust legal in the US will NOT interfere with the DEF. Your blanket assertion 'changing a diesel exhaust' will interfere with the DEF -simply because there is DEF injection 'into the exhaust'- is wrong. Injection occurs in the SCR cat just behind the engine....It MAY, but that would be an extreme case, and in fact there is no such system I've seen for an X5. MOST 'exhausts' will be just the rear muffler... same as gas.

A

PS Sorry about the picture. Go here REMUS Duplex Sportauspuff re-li je 135x75mm abgeschrgt BMW X5 E70 3.0l Diesel Edelstahl Endschalldmpfer rechts links 0880071549
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  #16  
Old 10-20-2011, 01:09 PM
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Quote:
Originally Posted by ard View Post
Couldn't find the X5 there...

And here is the picture of the Remus Diesel Sportauspuff






Shocking, but it looks like a 'cat back' system- ie doesnt interfere with the SCR Catalyst system....

I can be a prick and have an attitude, and I will readily admit when I am wrong.... any exhaust legal in the US will NOT interfere with the DEF. Your blanket assertion 'changing a diesel exhaust' will interfere with the DEF -simply because there is DEF injection 'into the exhaust'- is wrong. Injection occurs in the SCR cat just behind the engine....It MAY, but that would be an extreme case, and in fact there is no such system I've seen for an X5. MOST 'exhausts' will be just the rear muffler... same as gas.

A

PS Sorry about the picture. Go here REMUS Duplex Sportauspuff re-li je 135x75mm abgeschrgt BMW X5 E70 3.0l Diesel Edelstahl Endschalldmpfer rechts links 0880071549

Exactly, the reason you will not find a US spec X5 exhaust system, is because there is not one. The one you refer to above is for non-US spec models that DO NOT have the urea system, many X5ds here in Europe have such systems. This is exactly what I am saying, and have been.
The system that bypasses the diesel particulate filter or diesel emissions filter, will be for off road use only, (by US laws in most if not all states.)
Replacing the US spec X5 D with an open flow after market muffler, would throw fault codes from the sensors to the engine I am sure, (not proven though.) this is what I was saying all along...that one, the market is not there for a company to mass produce a product, and the expense of a said product with re-coding, faults and so on would be extremely expensive I am sure.
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  #17  
Old 10-20-2011, 01:43 PM
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Quote:
Originally Posted by docpowell View Post
Here is a SINGLE website with tons of them.

Diesel Performance Kits

Try Google...search DEF or DPF delete. You will find many.

Good enough...

Not good enough! When you click on the link you provided there is nothing to be found for the E70 X5. Who cares anything about Chevy, Ford, or, Dodge Diesel Pickup Trucks? If you are going to respond with an attitude to a post why don't you make sure the links you provide at least back up you're argument.

Why does this have to turn into a pissi** match between you and ARD? I was hoping to learn about some options for an exhaust system for the Diesel. NOT, to read a post filled with bickering back and forth about who is right and who is not.

My .02

flame away.
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  #18  
Old 10-20-2011, 02:11 PM
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Originally Posted by coloexpat View Post
Not good enough! When you click on the link you provided there is nothing to be found for the E70 X5. Who cares anything about Chevy, Ford, or, Dodge Diesel Pickup Trucks? If you are going to respond with an attitude to a post why don't you make sure the links you provide at least back up you're argument.

Why does this have to turn into a pissi** match between you and ARD? I was hoping to learn about some options for an exhaust system for the Diesel. NOT, to read a post filled with bickering back and forth about who is right and who is not.

My .02

flame away.
If you had paid attention, I said that there was NOTHING made for the X5! Ard told me to post a link to a DEF bypass, which is what the link is...too DEF bypasses. We were discussing the diesel exhaust system (not just for the X5) and I went on to explain the reasons you will not find one. Pay attention, I backed it up. And if you don't want to read an open forum of posts, then don't, and quit crying.
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  #19  
Old 04-06-2015, 02:06 AM
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https://www.youtube.com/watch?v=IRwA...A&spfreload=10

I dont understand Russian but I'm pretty sure this exhaust for the X5 35d just proved everyone who said diesel would "sound like crap" wrong
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  #20  
Old 04-06-2015, 03:46 PM
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Quote:
Originally Posted by Bimmerx53 View Post
https://www.youtube.com/watch?v=IRwA...A&spfreload=10

I dont understand Russian but I'm pretty sure this exhaust for the X5 35d just proved everyone who said diesel would "sound like crap" wrong

That's not Russian, trust me. Sounds German.

P.S. This is by far the best sounding X5 diesel. Everything was gutted though (DEF, DPF, etc).
https://www.youtube.com/watch?v=-hHmAedyWR0
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