N54 135i with JB4 - 57wkw increase vs
competitors software
February 2015
Anybody want a 57wkw jump without changing out any hardware modifications? Opposition flash tune swapped out for a N54 Jb4 and added tender loving care on custom tune!
End result: 293wkw & 691Nm vs 236wkw & 525Nm
- JB4
- Downpipes
- Intake
SR Speedworx... yet again
!
