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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > NOX Emulator - anyone used one?



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      12-12-2017, 06:23 AM   #45
Dormermike
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Do you e90 n53 owners have a flap in your exhausts? My f10 530i doesn't and it sounds quite deep but I'd be tempted to remove the nox cat if it made a nice burble
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      12-12-2017, 07:27 AM   #46
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The 330i has the exhaust flap. I disconnected it a while ago (aka "golf tee" mod) and it sounds nice and deep at low revs.

I wanted more noise though so recently fitted a custom sports back box and 3" tailpipes.

After reading this thread I'm thinking of getting the noxem and then doing a secondary cat delete.

At the moment my exhaust only has a very slight burble so I'm hoping the nox cat delete creates louder burble/crackle.
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      12-13-2017, 02:43 PM   #47
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No flap in my E60 530i, but I've fitted a Hartge back box which made it sound deeper than before but still quiet enough inside not to annoy the misses
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      12-31-2017, 03:53 AM   #48
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Just a quick update, had a few days off over chrimbo so managed to get the NoxEm fitted. Jacked the car up at one side, axle stands under, blowtorch, 22mm spanner, lump hammer, and some fiddlyness. Then spent ages messing about trying to get DIS (v57, VMware 11, EDIBAS v6.4.7) working on a borrowed windows 10 laptop (after trawling lots of forums - anyone gets stuck, I’ll help if I can).

Anyways, finally managed to get the 'replacement' Nox cat and NOx Sensor coded in DIS with the help of leew88 (much appreciated!). Just need to give it a few runs for new adaptations.
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      01-01-2018, 05:59 PM   #49
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Nice one! I'm going to take a stab at this at the weekend, if it arrives in time. Was hoping once removed the sensor would be a easy swap..fiddlyness has dashed this hope :| Really don't fancy trying to get DIS setup as well!
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      01-02-2018, 02:17 AM   #50
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Happy to try and pass forward the help received here if you get stuck.
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      01-03-2018, 10:34 AM   #51
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Quote:
Originally Posted by wrongmark View Post
Happy to try and pass forward the help received here if you get stuck.
Thanks NOxEM has arrived so hopefully get a chance on Sunday.. did you put any anti seize compound on when fitting the new one? Hoping the old one will bash off, no blow torch handy..
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      01-03-2018, 11:09 AM   #52
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Quote:
Originally Posted by sbains84 View Post
Thanks NOxEM has arrived so hopefully get a chance on Sunday.. did you put any anti seize compound on when fitting the new one? Hoping the old one will bash off, no blow torch handy..
Yes
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      01-03-2018, 12:18 PM   #53
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I would try and either buy a cheap one or borrow one. I had no chance getting mine off without it.
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      01-03-2018, 12:50 PM   #54
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Got mine off without blowtorch, 22mm spanner and gave it a few wacks with hammer to free it.
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      01-04-2018, 06:39 AM   #55
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Quote:
Originally Posted by leew88 View Post
No flap in my E60 530i, but I've fitted a Hartge back box which made it sound deeper than before but still quiet enough inside not to annoy the misses
Hi Lee does your 530i have a MSD87 DME? The reason I ask is that my f10 530i uses that version of DME and I'm seeing NOX errors. Have BMW warranty but prefer the emulator. Emailed bimmerprofs as f10 is not listed and they said they have not tested for that MSD87 DME. Do you have that version or the earlier MSD81 ?

Thanks
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      01-04-2018, 08:39 AM   #56
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Quote:
Originally Posted by Dormermike View Post
Hi Lee does your 530i have a MSD87 DME? The reason I ask is that my f10 530i uses that version of DME and I'm seeing NOX errors. Have BMW warranty but prefer the emulator. Emailed bimmerprofs as f10 is not listed and they said they have not tested for that MSD87 DME. Do you have that version or the earlier MSD81 ?

Thanks
I have MSD80 in my 530i N53
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      01-14-2018, 04:25 PM   #57
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Finally got around to replacing the sensor today, was very tight under the car! Couldn't get the hight jacking from diff to get higher up on stands. Getting the reinforcement plate off was a nightmare, 2 of the screws were properly seized but got there in the end just about, was worried might round off the head when hammering the wrench!

Once the plate was off wasn't so bad, apart from the space..what a place to put the control module ffs! 2 inch from prop shaft, nice one! Was very happy once I had threaded that farside nut, bit concerned should of tightened some more now.. oh well!

Thankfully DIS setup from disc seemed to have worked out of the box so to speak so was happy with that! Did the replacement stuff and have reset adaptations as also replaced injector other week, so was holding off to get it all done.

Quick check in inpa showed lambda was going up to 3 so deffo running stratified will see what mpg is like once it settled..smooth running for now
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      01-15-2018, 04:09 AM   #58
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Glad you got it sorted.

My MPG has importuned a little, but not as much as I'd hoped. Currently 22mpg, up from 17mpg average mainly round town 6.5 mile journey to work and back.

I've not tried checking Lambda using INPA, but I have used the DashCommand app on my phone. The Lambda values don't seem to go above 2.

I'm thinking either I haven't done the procedure properly in DIS or DashCommand can't report a Lambda above 2?

However the 30EA error code no longer returns since doing what ever I did in DIS, whereas it did after only fitting the NOxEm.

I did notice that the engine takes a while to get up to 80-90degC. It only seems to get to around 70degC on my 6.5 mile journey to work everyday. Not sure if this is normal or not given that it doesn't have a temp gauge.

Other possibility is a very slightly binding rear brake which I seem to have sorted yesterday. Was squealing slightly while driving, but I think there was barely any resistance.
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      01-15-2018, 08:40 AM   #59
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Thanks, just hoping it stays alright for a bit! I haven't tried dash command, will give it a go. From what I have read the for normal operation of nox sensor the engine temp has to be > 90 degrees and the exhaust temp 220. Whether this applies to the NoxEm I'm not sure. My car also takes a long time to get up to operating temperature, at least 15 minutes. I'll check next time from cold how long before I am running in stratified mode.

Edit: Tried the app, only goes up to 2 for me as well so seems like app issue. Thinking about it even 2 would be stratified I believe.

Last edited by sbains84; 01-15-2018 at 03:26 PM..
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      01-29-2018, 02:01 AM   #60
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Well that didn't very last long! Noticed mpg had dropped again, checked faults which showed 30D6 - Nox sensor plausibility. I had reset adaptations and carried out a cat replacement procedure. Going to email bimmerprofs to see what the issue could be, at a guess going by "plausibility", maybe the reading under certain condition is questionable? I cleared the code and it hasn't come back yet although only had 1 driving session. Will report back when I have a response.
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      02-02-2018, 06:23 AM   #61
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Just to update this, I've had the NOxEm installed for about a month now. After doing the proper NOx Sensor and NOx cat replacement procedure in DIS, I can report that there have been no errors recorded since. The average MPG has increased a bit. I was getting low teens, I'm now getting low to mid 20s. I can't be sure that this is due to the NOxEm or my driving and/or mix of motorway/town driving.

This still doesn't seem to be getting near to what I was getting when I first bought the car (used) a few years ago which was around 30MPG. I'm still wondering if the engine is getting up to temperature or not. I do remember replacing the temperature sensor with a non OE one in an attempt to fix something else that turned out to be unrelated and I wonder if this is causing an issue. Any thoughts on this appreciated.
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      02-07-2018, 10:18 AM   #62
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Quote:
Originally Posted by wrongmark View Post
Just to update this, I've had the NOxEm installed for about a month now. After doing the proper NOx Sensor and NOx cat replacement procedure in DIS, I can report that there have been no errors recorded since. The average MPG has increased a bit. I was getting low teens, I'm now getting low to mid 20s. I can't be sure that this is due to the NOxEm or my driving and/or mix of motorway/town driving.

This still doesn't seem to be getting near to what I was getting when I first bought the car (used) a few years ago which was around 30MPG. I'm still wondering if the engine is getting up to temperature or not. I do remember replacing the temperature sensor with a non OE one in an attempt to fix something else that turned out to be unrelated and I wonder if this is causing an issue. Any thoughts on this appreciated.
When I changed coolant temp sensors on another German brand using non-OE ones, I got readings that were about 10 degrees out which caused all sorts of issues - I'd definitely change it for a genuine sensor if you can.
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      02-16-2018, 05:44 PM   #63
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Carried out replacement again and all seems fine, no more codes thrown. I do remember not paying much attention to switching to Terminal 15 and Terminal R ..probably related to that.

Mine runs stratified once engine temp goes above 60c which takes about 10-15 mins for me. Probably worth logging to see whats going on. I found an app that is pretty good (lots of data to log all ECU specific) but not very user friendly called Deep OBD for BMW and VAG.
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      02-17-2018, 06:13 AM   #64
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Quote:
Originally Posted by sbains84 View Post
Carried out replacement again and all seems fine, no more codes thrown. I do remember not paying much attention to switching to Terminal 15 and Terminal R ..probably related to that.

Mine runs stratified once engine temp goes above 60c which takes about 10-15 mins for me. Probably worth logging to see whats going on. I found an app that is pretty good (lots of data to log all ECU specific) but not very user friendly called Deep OBD for BMW and VAG.
You had a replacement noxem ?
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      02-17-2018, 09:33 AM   #65
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No sorry I meant I carried out the replacement of nox cat procedure in DIS again. ThevNoxEm itself is fine
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      02-17-2018, 05:01 PM   #66
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Will check out the app thanks.
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