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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Need help with BM3 Datalog on N63TU
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      02-19-2021, 01:12 PM   #1
fstm5
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Need help with BM3 Datalog on N63TU

So I purchased this bm3 tune a month ago and, I have been using it on a daily on the stage 2 91 map, no issues really, car felt faster everything felt fine but I had been so busy with work I never really actually tested the car to its full potential, recently I started looking into the OTS maps and I noticed there's a an entire map i did not even see, a map called ACN 91 Stage 2, I read more into it and I found out this is a tune for shitty gas in California where I live. So unfortunately I have been on the regular stage 2 91 when instead I should have been on the ACN 91, so what i am asking is, I ran some datalogs, from what I can understand and I'm pretty new at this, my timing is completely off at some points especially in some cylinders, but can someone who is more experienced at this take a better look?



Here are two logs from 2-3k rpms in 4th gear


https://datazap.me/u/prowolf/log-161...0?log=0&data=6

https://datazap.me/u/prowolf/log-161...&data=2-4-6-12


2016 550i
50k miles
Catless downpipes, straight pipe
New Sparks
BM3 Stage 2 91
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      03-02-2021, 08:49 PM   #2
tyre11c0rp
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post into the FB bootmod3 forums.. it's an active community, and you'll get a number of educated inspections / responses for your logs.
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