Knock sensor

8 psi = 0.5 bar
Mine used to Spike with the manual bosst controller to around 0.6

I have checked my actuator on my turbo and its fully open at 0.5 bar.
They show you how to do this in the FSM

So my car is actually setup right then,okay time to get that fat exhaust finally fitted and my FMI

Okay fixed it, wasnt so hard.