Just I've unplugged mine electrically but been told to plug it in and and block the hoses so the ecu can still do its thing but never got told a reason as to do it that way.
Got a rev 3 turbo and fitted a new greddy profec oled boost controller, bosch 044 fuel pump, new ignition leads and disconnected the tvsv. So whenever I set boost to 13+psi and I go full throttle in lower gears the car jerks a couple times between 3-6k rpm. This however doesnt happen in 5th gear but...