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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Just Stage 2'd my 220i, BM3 datalog
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      02-08-2021, 04:16 PM   #1
Head2k
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Question Just Stage 2'd my 220i, BM3 datalog

Hi,

Posting here since it's more active than 2addicts

Went and got myself Bootmod3 after months of drooling. Started initially with a Stage 2 93 octane OTS map.
N20-EWG-H-P

After a while troubleshooting i finally got connected, had a problem connecting that ended up being me having to disconnect the battery for a while and reconnect. Probably something to do having used ISTA recently, as i've read.

Relevant mods are:
Wagner 200cpi downpipe
Pipercross air filter
m235i M Performance muffler

I know i gotta get a chargepipe, and should get an intercooler, which are both on my list.

Went for a drive and warmed it up nicely, then slowly tried to push a bit to see if my car accepted its fate.

Here's the first log (didn't go WOT):
https://www.bootmod3.net/log?id=6021...0b4324b62d8a72

Here's log #2:
https://www.bootmod3.net/log?id=6021...90c654e922b957



First i noticed in log 2, turbo pressure (pre throttle) is up to 24.5 psi at one point in 2nd, concerning.
Timings are very good.
AFR seems fine, maybe a tiny bit lean at times(?)

Throttle angle bounces up and down, what does that mean?

I'd love to get some feedback on log #2 if anyone has any, thanks.
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      02-08-2021, 05:56 PM   #2
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So i take the throttle part is actually the stability control saving my ass in the cold. Was in sport+ as well as in a tunnel, but cold tires and cold ground equals slips
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      06-28-2021, 05:07 PM   #3
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Hi mate

Base on your datalog, no timing corrections and very low IAT. Extremely clean datalog with nothing to concern.
I'm very curious about how you get your IAT so low if you are willing to share, with only 50F (relatievly 10C). Besides you live in Norway, did you do any supporting mods to decrease the IAT?
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      06-28-2021, 05:34 PM   #4
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Nice build!

You may find interest at the link below. Tons of data for tuned N20/B48 motors.


https://www.facebook.com/groups/244324833434651/
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      06-30-2021, 10:07 AM   #5
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Nice build!

let me know if i can help with the intercooler and charge pipes, we offer great combo deal packages
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