Diagnonis NOX system PERFORMANCE - BMW E91 engine N43

PART 2 - Diagnosis NOx system Performance; Nox catalyst converter and Nox sensor
#NOXSYSTEM #NOXSENSOR #CATALYTICCONVERTER #BMWE90 #BMWN43
- BMW E91 2008 Touring engine N43 (N43B20A)
- Diagnosis and maintanence NOX system
- How to check performance of NOx system and stratified charge
- Performance of NOX sensor and NOX catalytic converter
- Monitoring exhaust temperature, NOX sensor offset value
- Evaluate Lambda value from NOX sensor in overrun mode
- Evaluate condition of NOX catalytic converter with cycles of stratified charge
- Fault code 30EA: nitric oxide catalytic converter, sulphurized
- Properly working NOx system is a critical requirement for these engines!!
Let’s continue with the next episode! Stay tuned!
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Watch whole "BMW E91 with N43 Diagnosis & Maintenance" -SERIES from here:
• BMW E91 - Diagnosis an...
Also N43 MOTOR rebuild -SERIES from here:
• BMW E91 N43 MOTOR REBU...
Also POWERDRAIN rebuild -series of BMW E91 with engine N43!
See the whole SERIES from here:
• BMW E91 - DRIVETRAIN R...
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My purpose is to encourage people to do things themselves!
Plus, this is a nice hobby for myself and at the same time I have the opportunity to save a lot of money by doing all the maintenance myself!
I’m not a professional with cars or motorcycles, I just want to learn how to do things myself.
If you do this service yourself, always check the correct instructions in the official service manuals. This is just my way of doing it!
Jani Voutilainen
You can follow me also in:
/ voutilainenjani
/ jani.voutilainen
/ janivoutilainen
Referring to:
bimmerprofs.com/problems-perf...
bimmerprofs.com/n43n53-operat...
I recommend checking out those pages.
I didn't understand how the NOx system works at first.
Through the making of this video, understanding increased significantly and explained the many faults that have occurred in the wife's car in the past ;)
Thank you Bimmer Profs! Without their website and detailed description, I would still be unaware of how this system works.
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[@bigdeal87]

Thanks keep them n43 videos coming!

[@mifo1133]

thanks for n43 videos please keep it coming! i have same problem with nox!

[@JaniVoutilainen]

Thanks! What fault codes you experience? At the moment I have only 30EA fault code and I try to solve it...

[@mifo1133]

@@JaniVoutilainen i had 30EA code but after clearing fault memory it come back after 1000-3000km. installed NOXEM from bimmerprofs 2weeks ago..no fault code yet.

[@JaniVoutilainen]

Thank you for the information! I think I'll put that NOXEM unit in my order

[@simcaclub]

Hey Jani, awesome good explained. I suppose the values are the same for the N53?

[@bobbybabbabu9922]

Hi ! Great videos! Can I contact you in any way regarding this problem? My car shows "17!" on schubabschaltung and the car answer bad on accelerate below 90km/h. The NOx converter is empty but NO fault codes founded inside INPA. Only had CO converter bank 1/2 but not even those anymore

[@emre4503]

Hi, is it possible to share your software with me?. For weeks I am trying to install INPA. It never worked. Sometimes there was no N43 engine listed in INPA. Would be great if you could help me. BMW E90 2010 N43B20

[@Ihlberg82]

Hi Jani, Did you update the ECM software in your car? My sister runs a N43 that has a tendency to throw NOX related DTCs. I'm just wondering if updating the ECM could solve some of the issues. I will troubleshoot using your excellent videos as well of course.

[@JaniVoutilainen]

In fact, I upgraded my own car DME module, but I do not think it has much effect on the NOX sensor problems. I hope you find a solution! 👍

[@lucaweber96]

Hi, first thank you for the great video. My nox sensor unfortunately does not start, even after I installed a new one he still does not start. Can that be because not all learning bits of the injectors are learned?

[@JaniVoutilainen]

Thanks! You probably coded a new NOX sensor for your car? The car must be told that it has been replaced and at the same time the Learn bits must be reset. It may take some time before the Nox sensor starts working, which means it may require driving a little more ...

[@Silentdogs]

Hi Jani, need your help on this. I have a e90 318i LCI . I had the 30EA fault code. After taking it to the dealer drove on the highway multiple times on cleaning mode. Then replaced the NOx with a reconditioned one and now I get 30DC Nitrogen oxide sensor, heating. There's also a misfire in the car. What do you think the problem is? Really appreciate if you can advise

[@JaniVoutilainen]

Hard to say without research. Did you replace the old sensor with a refurbished NOX sensor? If so, it would appear that the probe of its refurbished NOX sensor is defective. Its heating element may be defective. I hope you find a solution! 👍

[@junaidmalik7712]

My offset sensor is showing 18 and its stuck on that?

[@lawrenceconway8601]

Hey I have the 30E9 code on my N53 engine - do you know what the best solution is?

[@JaniVoutilainen]

Seems bad! You can try performing a long burn run and resetting and re-teaching the adaptations. But it may not help anymore ... But probably the cheapest solution is NOXEM unless you want to buy a new NOX Catalytic Converter. Not many used for sale ...

[@konstantinost3521]

Inpa link? I have a bad version of inpa and i can’t get into the menu of Desulf

[@JaniVoutilainen]

You need to upgrade MSD80 from INPA. Here you can find it: bimmerprofs.com/msd80-loader-2-023/

[@khorvath74]

I replaced my (e90 318i) NOx sensor and reset the adaptations, before with the faulty sensor I was getting only one fault code 3104 now with the new one im getting two fault codes 30DC and 30DE. Why? Injector, sparkplugs and coilpack all brand new. Help pls.

[@JaniVoutilainen]

Did you code new nox sensor to the car? It needs to be done 👍

[@khorvath74]

@@JaniVoutilainen reset the adaptations

[@uivilxxl1]

Desulf work's for N46 motor?

[@JaniVoutilainen]

This is more related to the N43 and N53 engines. These cars have a NOX system (NOX Catalytic Converter and NOX sensor ...) but the N46 does not The successor to N46 is N43 ...