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View Full Version : Bmw E39 523I 170BHP power + pop and bang?


Johnsy1998
28th August, 2020, 04:37 PM
Hi, can anyone tune this, not very farmiliar with this ECU.

I would like a bit of extra power + Pop and Bang + Raised rev limiter if possible

Thanks In Advance. :tears_of_joy:

ECU: SIEMENS MS41
Baddog84
28th August, 2020, 04:40 PM
and where is file?
Johnsy1998
28th August, 2020, 04:42 PM
Attached. Thank You.
Baddog84
28th August, 2020, 04:54 PM
E90 MS41 ECU?
Johnsy1998
28th August, 2020, 05:33 PM
No it is E39, I was busy when i wrote E90 haha
PelsonBMW
28th August, 2020, 08:59 PM
post your partial read
Lambda1
29th August, 2020, 10:37 AM
Here pop and bullshit.
Think about the activation of programming voltage... 14+18 bridge in Connector... because kess dont write without!!!
Flow333
29th January, 2024, 05:12 PM
What is the password in the archive?