Bmw e46 320D need somw help

[DarthVag]

Hi guys!
Can someone help me with this BMW e46 2001 facelift
Car came with a strage stage 1 tune and I need the original software for the car or if someone cand detune the current map
The problem is in the injection category
Down bellow is the map and the id for the vehicle
Cheers!

[Ignasvw]

You have rail cut after 4k rpm

[SoftDev]

You have rail cut after 4k rpm

What is the purpose of such rail cut? 4000RPM - 1600Rail / 4001RPM - 0Rail

[Ignasvw]

Maybe tried to do pops n bangs/revlimit

[DarthVag]

Thanks a lot mate