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 Post subject: M50b30 stroker build tuning help
PostPosted: Sat Nov 01, 2025 3:32 am 
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Joined: Mon Oct 20, 2025 3:03 pm
Posts: 7
Hi everyone.
İ have 94model e34 :
M50b25 iron cast block 84.5mm
M54b30 crack,arms and pistons
M52b28 head and cams,Pink m52b28 injectors
M52 engine harness and ms41 ecu
m50b25 İntake with m52b28 maf sensor no cai kit
3.64 lsd and getrag trans. from e46 5.25
5 bar fuelpump and 3.5 regulator .
Exhaust is original for now... i run 95 octane

İ would love to tune this engine via rom raider but i need help...
İ am using stock m52b28 bin file for start and want to tune it.
Someone with a similiar engine build? Maybe u can share a tuned bin file so i can get ideas from it or use it ofcourse...


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 Post subject: Re: M50b30 stroker build tuning help
PostPosted: Tue Nov 04, 2025 6:04 am 
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Joined: Mon Oct 20, 2025 3:03 pm
Posts: 7
maybe some one with similar build can share their Bin. files so i cant get i idea from... thx guys


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 Post subject: Re: M50b30 stroker build tuning help
PostPosted: Tue Nov 04, 2025 10:49 am 
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Joined: Mon Oct 20, 2025 3:03 pm
Posts: 7
here is my partial file. i tuned it a little


You do not have the required permissions to view the files attached to this post.


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 Post subject: Re: M50b30 stroker build tuning help
PostPosted: Thu Nov 06, 2025 5:19 am 
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Newbie

Joined: Sun Nov 08, 2020 2:51 am
Posts: 13
Location: Hungary
As i can see you disabled the o2 sensor, reduced fuel ipw in the basemap, and even the open loop enrichment map. Then Added ignition advance. Why did you do this?
How much knock retard do you have with this tune?
Pazi88 has really good videos explaining everything in this topic on youtube.
Did the car run bad on the stock tune?


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 Post subject: Re: M50b30 stroker build tuning help
PostPosted: Thu Nov 06, 2025 5:55 am 
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Newbie

Joined: Mon Oct 20, 2025 3:03 pm
Posts: 7
Akos04 wrote:
As i can see you disabled the o2 sensor, reduced fuel ipw in the basemap, and even the open loop enrichment map. Then Added ignition advance. Why did you do this?
How much knock retard do you have with this tune?
Pazi88 has really good videos explaining everything in this topic on youtube.
Did the car run bad on the stock tune?

A tuner made this file for me and i flashed tren tried it but if sucks... i flashed stock m52b28 bin file for now and car runs nice but i am sure i must tune it.
Disabled o² sensors cuz i wont find o² sensor to fit my engine harness so i disabled it . İ dont know where to start accually i am lost.... i Will try raise ignition timing a little bit and compare power with stock file.. i hoped maybe someone have similiar build and tuned it so i can see what changes i should make. Thx for your reply


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