Hello, I have BMW 118D N47 143HP with the current mods:
-downpipe
-racepipe/EGR OFF
-swirl flaps delete
-CATCH CAN
-custom inox exhaust on F63.5MM
-sport air intake panel K&N
I went to do chip tuning to it in my city.
We achieved 198HP and 446NM on the dyno
The file was with : DPF OFF ,EGR OFF ,SWIRL FLAPS OFF and Turbo boost on 1.68 PEAK
He wasn't able to do hardcut limiter/popcorn and turn off my MAF sensor or to mod it right for limp mode and he told me its not possible on this ECU , I wanted to put better custom conus intake.
But the big problem is that after 2days of driving my car got into limp mode. After turning off and turning on the car the limp mode disappeared but my boost came back to the stock boost 1.55peak and the file was not in use anymore.
I went to him 3/4 times but he couldn't fix my file and he refused to write me a new one after charging me 750EURO for it.
I mean the car is feeling alright but its on stock file again .
I don't know what to do at this point.
Here is my stock file too








