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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #26  
Old 05-05-2013, 06:08 PM
GMaur335d GMaur335d is offline
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No - it's just "tuned out".
The ECU doesn't open the EGR valve to let re-circultated air into the engine - it's 100% intake air.
The physical unit itself is still stock.
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  #27  
Old 05-05-2013, 06:13 PM
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kakalika kakalika is offline
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Originally Posted by GMaur335d View Post
No - it's just "tuned out".
The ECU doesn't open the EGR valve to let re-circultated air into the engine - it's 100% intake air.
The physical unit itself is still stock.
WOW!!! How did you do that? Is there a DIY or something we can follow. I remember how my EGR used to foul up on my 90's Mercedes 250D.
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  #28  
Old 05-06-2013, 04:18 AM
GMaur335d GMaur335d is offline
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Sorry - it was part of my tune done by JR Auto.
I don't think there is DIY like some of the older cars...
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  #29  
Old 05-06-2013, 09:56 AM
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Stugots Stugots is offline
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Originally Posted by GMaur335d View Post
UPDATE - I now have the DEF Injection removed the from the car in software and the Injector and sensors all un-hooked.
The DEF tank has now been emptied and I have driven for about 1-2K without it.
I also had the tune dialled up a bit so I get a tad bit of smoke a WOT, but nothing with anything less.
We haven't had a chance to remove the SCR / DPF housing physically as the piping is odd. All of the links between the DPF and SCR are OVAL in shape, so it's not easy to just cut it out.
What we have been considering doing is creating a new down-pipe that goes in place of the DPF (eliminates Pre-cat) and goes all the way to muffler split after the SCR.
I do like how quiet the car is now, but Megaspeed has been seeing results of 350+HP and 550+TQ with the EU spec car so I'm tempted to try for that with the SCR and DPF!
In any case, something for the near future ..maybe.
Econtune already has a pipe fabbed for this expressed purpose, FYI. Might be something to look into.
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  #30  
Old 05-06-2013, 04:53 PM
GMaur335d GMaur335d is offline
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Only for EU cars tho right?

The US exhaust system is quite a bit different from what I have heard.

Maybe now that it's more like the EU version (No SCR) it will be easier??
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  #31  
Old 05-07-2013, 03:37 PM
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BB_cuda BB_cuda is offline
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I'm quite sure that a capable fabricator could modify an Ecotune pipe to have the same inlet/outlet parameters (shape and location that is) as our US spec DPF cannister. Is the Ecotune part stainless steel? Just need someone patient with a decent TIG welder and other fabrication equipment. From the other thread, a Florida road trip might be worth pondering. Perhaps in another year this capability (DPF decoding) will work its way to the gulf coast.

So the ultimate emission removal mod is
a) closing the EGR permanently (coding it off),
b) DFP removal with fabbed pipe, and
c) SCR removal and pipe replacement.

Am i missing something or is the cat delete happening too? Perhaps this was adressed in an old thread where Csnns (i likely butchered his alias) had a long pipe assy made by a muffler shop.
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  #32  
Old 05-09-2013, 04:40 AM
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Axel61 Axel61 is online now
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If not mistaken ECOTUNE had sent me an email and they wanted a US DPF so that they could do a downpipe for us and that was a while ago, Stugots if you have yours available 3d scan it and send it to ECOTUNE.
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  #33  
Old 05-09-2013, 08:02 AM
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Originally Posted by Axel61 View Post
If not mistaken ECOTUNE had sent me an email and they wanted a US DPF so that they could do a downpipe for us and that was a while ago, Stugots if you have yours available 3d scan it and send it to ECOTUNE.
I've been talking to both Stan and Mark (Ecotune and Redline, respectively).

The US DPF and the UK DPF are different. The sensors are in different locations, so the Ecotune downpipe would require some changes to it. My DPF is still attached to the car atm, so I'm unable to send it, but I'm still working out some logistics with them.

Quote:
Originally Posted by BB_cuda View Post
So the ultimate emission removal mod is
a) closing the EGR permanently (coding it off),
b) DFP removal with fabbed pipe, and
c) SCR removal and pipe replacement.

Am i missing something or is the cat delete happening too? Perhaps this was adressed in an old thread where Csnns (i likely butchered his alias) had a long pipe assy made by a muffler shop.
In talking to Ecotune, the SCR cat is suggested to remain intact, as it is a high flow cat, and assists in backpressure, as well as more stable boost pressure for tuning purposes. Mine still remains, although it's empty now.
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  #34  
Old 05-09-2013, 09:07 AM
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great Stugots if you can get someone to do a 3d scan then they ecotune can work it from there, thats how WAGNER did for the IC although they did in their own house
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  #35  
Old 05-26-2013, 08:40 AM
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kakalika kakalika is offline
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OK, I think a trip to Canada is worth it. How do I get in touch with JR Auto?
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  #36  
Old 06-16-2013, 11:45 PM
Sylvan Lake V35 Sylvan Lake V35 is offline
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How has this been going, any codes or errors from removing urea injection?
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  #37  
Old 06-17-2013, 09:45 AM
Hoooper Hoooper is offline
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IMO a plug and play solution to this, like an O2 sim, would be way better than an ECU tune. Once you tune the ECU to ignore the DPF pressure feedback you cant really put the DPF back on or it will never go into regen. It should be pretty easy to wire up a simulator that just constantly shows the equivalent of a 2 PSI difference so the ECU thinks there is a clean DPF still in the system but it wont go into regen. I dont really care about the smoke/sound portion of this, but if I want to keep this car for over 100k it sounds like the DPF might have to be replaced at some point, at least according to some of the reviews I have seen out of Europe. I dont really want to end up replacing a $2000 part that also is a power and economy restriction, but I also dont want to be stuck with an ECU that will kill the DPF in case I need to put it back on for emissions or to sell the car. I cant imagine that a flash is the only way to take care of this.
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  #38  
Old 07-11-2013, 02:52 PM
GreekboyD GreekboyD is offline
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Originally Posted by kakalika View Post
OK, I think a trip to Canada is worth it. How do I get in touch with JR Auto?
Link
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  #39  
Old 07-12-2013, 06:29 PM
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Thanks.
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  #40  
Old 07-13-2013, 08:11 PM
GreekboyD GreekboyD is offline
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Thanks.
No problem. I plan on contacting Jarek very soon.
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  #41  
Old 07-14-2013, 10:10 PM
stoked335d stoked335d is offline
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Someone please explain to me how you would pass the State inspection and emissions test with this modification?
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  #42  
Old 07-15-2013, 12:49 AM
montr montr is offline
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Someone please explain to me how you would pass the State inspection and emissions test with this modification?
Do you an inspection for Diesel cars in NJ? In GA, there is an inspection for gasoline powered cars but none for diesel.
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  #43  
Old 07-15-2013, 06:18 AM
FredoinSF FredoinSF is offline
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DPF and DEF / SCR Removal

We have yearly inspections for all vehicles where my cars are registered. I assume this would be a fail, right?


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  #44  
Old 07-15-2013, 06:46 AM
BMWTurboDzl BMWTurboDzl is offline
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We have yearly inspections for all vehicles where my cars are registered. I assume this would be a fail, right?


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Yes.

SCR DPF removal are for the @sshats who think they know better. Sorry but I'm going to call it like it is. People who remove emissions system on their personal vehicles reek of selfishness and irresponsibility. There's absolutely zero justification.
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  #45  
Old 07-15-2013, 07:03 AM
BMWTurboDzl BMWTurboDzl is offline
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Someone please explain to me how you would pass the State inspection and emissions test with this modification?
You would pass after you paid off the technician who performed the test. Seems very common in California for example.
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  #46  
Old 07-15-2013, 08:58 AM
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Axel61 Axel61 is online now
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Re: DPF and DEF / SCR Removal

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Originally Posted by BMWTurboDzl View Post
Yes.

SCR DPF removal are for the @sshats who think they know better. Sorry but I'm going to call it like it is. People who remove emissions system on their personal vehicles reek of selfishness and irresponsibility. There's absolutely zero justification.
Ok I respect your opinion but as soon as I get my 50k over its gone as in 3/4 of the world. I careless

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  #47  
Old 07-15-2013, 11:37 AM
SpeedyD SpeedyD is offline
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Originally Posted by BMWTurboDzl View Post
Yes.

SCR DPF removal are for the @sshats who think they know better. Sorry but I'm going to call it like it is. People who remove emissions system on their personal vehicles reek of selfishness and irresponsibility. There's absolutely zero justification.
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Originally Posted by Axel61 View Post
Ok I respect your opinion but as soon as I get my 50k over its gone as in 3/4 of the world. I careless

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I think you are proving his point.
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  #48  
Old 07-15-2013, 11:44 AM
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i cant changed other people's politically correct responses cause thats me let him go huge a tree i dont hug any i plant them, so i will be selfish LOL
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  #49  
Old 07-15-2013, 11:51 AM
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floydarogers floydarogers is offline
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i cant changed other people's politically correct responses cause thats me let him go huge a tree i dont hug any i plant them, so i will be selfish LOL
As long as the exhaust is routed into the cabin and you get the cancer caused by the particulates, it's fine with me.

And I DO NOT like your taking this lightly; cancer and lung function is not a laughing item.
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  #50  
Old 07-15-2013, 12:16 PM
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Axel61 Axel61 is online now
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the only time exhaust will ever enter any cabin is when there is a LEAk in the exhaust system, otherwise cancer can be caught even eating PUNTANG just ask Michael Douglas the actor LOL jajajajajja and yes cancer is NO JOKE my mother passed away in part due to cancer. that said even if you dont smoke drink or whatever you maybe prone to cancer or any other issues

Btw floyd don't worry I don't like you taking the pipe in your cabin either lol. So you won't breathe the cancerous fumes lol
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Last edited by Axel61; 07-15-2013 at 02:11 PM.
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