[kofiboadi]

I need to be able to read and view my O2 sensor data and fuel trims. Do you know if INPA can do that too? If so how and where do I get those codes? Thanks

[808AWD325xi]

Originally Posted by kofiboadi

I need to be able to read and view my O2 sensor data and fuel trims. Do you know if INPA can do that too? If so how and where do I get those codes? Thanks

Yes, I believe what your looking for is the adaptation mixture screen which displays the lambda probe data. In INPA, go to E90 -> MSD 80.0 -> <F5> status analog / digital -> <F6> exhaust gas control - lambda probe:


EDIT: Or the MSD80 system test lambda probe screen...E90 -> MSD 80.0 -> <F9> system diagnosis -> <F3> EOL - misassembled L-probe:

[kofiboadi]

Is this live data? It doesnt look right to me. Looking for the oxygen sensor data, fuel trims , MAP TPS live performance data.

Or maybe I just don't understand what you posted. can you explain what each is?

[808AWD325xi]

Originally Posted by kofiboadi

Is this live data? It doesnt look right to me. Looking for the oxygen sensor data, fuel trims , MAP TPS live performance data.

Or maybe I just don't understand what you posted. can you explain what each is?

Yes, it's live lambda control fuel adaptation and fuel trim data.

[kofiboadi]

perhaps the names are confusing me. which of above corresponds with (Is the)
Short Term Fuel trim bank 1,
long Term fuel trim Bank1
Short Term Fuel trim bank 2,
long Term fuel trim Bank2.

And
Oxygen sensor Bank1 sensor1
Oxygen sensor Bank1 sensor2
Oxygen sensor Bank2 sensor1
Oxygen sensor Bank2 sensor2

[808AWD325xi]

Originally Posted by kofiboadi

perhaps the names are confusing me. which of above corresponds with (Is the)
Short Term Fuel trim bank 1,
long Term fuel trim Bank1
Short Term Fuel trim bank 2,
long Term fuel trim Bank2.

And
Oxygen sensor Bank1 sensor1
Oxygen sensor Bank1 sensor2
Oxygen sensor Bank2 sensor1
Oxygen sensor Bank2 sensor2

Long Term Fuel Trims (Additive Adaptations), Short Term Fuel Trims (Multiplicative Adaptations), and O2 sensor voltage readings are all displayed on the INPA adaptation mixture screen:

• additive adaptation factor bank 1
• additive adaptation factor bank 2
• multiplicative adaptation factor bank 1
• multiplicative adaptation factor bank 2
• lambda voltage pre catalytic converter bank 1
• lambda voltage pre catalytic converter bank 2
• lambda voltage after catalytic converter bank 1
• lambda voltage after catalytic converter bank 2

Here are some helpful docs:
http://www.bmwfan.lt/forumas/downloa...57a1c6d2ad92fd
http://www.europeantransmissions.com...ptationBMW.pdf

[kofiboadi]

thank you

[kofiboadi]

I need a little help understanding these fuel trim and o2 sensor data I just pulled from my reader.
o2sb1s1: 1.95V (barely changing)
o2sb1s2: 0.08 -0.8V (fluctuating)
o2sb2s1: 2.0V (barely fluctuating )
o2sb2s2: 0.36 ( stayed the same throughout; is not fluctuating at all)

Multiplicative Mixture Adaptation (STFT) Bank 1: -651 to 618% (fluctuating very very fast between range)
Additional Mixture Adaption (LTFT) Bank 1 : 0.36%

Multiplicative Mixture Adaptation (STFT) Bank 2: -581 to 651% (fluctuating very very fast between range)
Additional Mixture Adaption (LTFT) Bank 2 : -533 to 510% (fluctuating very very fast between range (-533 and +510))

Can you help me understand this? What is possibly the issue? Thanks

I also have error code and misfires on all my injectors, these are brand new injectors by the way. replacing injectors didn't fix issue


I have attached the graphs too. Thanks

[xavi718]

Help.

what's up guys, here trying to diagnose if my oxygen sensors are bad or going bad. Last year ( 2020 ) I install new oxygen sensors 4 in total, after driving it for 4 months the SES light appear on my dash i did scan, but there are no codes showing up, but the symptoms are the same when i had them bad, poor acceleration etc.....and I also notice my spark plugs on cylinders 4-5-6 are dark wile cylinders 1-2-3 are clean. I check if there was any oil leak and there was non.

Here is a screenshot of INPA wile I was driving from work -home

When I have the accelerator pedal press, BANK 1 at is 2.06 and BANK 2 is at 1.98 .




But ass soonest I release the pedal
BANBK 1 is at 3.13 AND BANK 2 at 3.17 . ¿ Is this normal ?





This is other screenshot is when i had my car in park and idling