Part load BOV clarification for E78 Sonic 1.4t

[Simplyjesse]

Hey guys, does anyone know how to get the part load hiss to go away under part throttle or low load?
I have been messing with the actual part load open setting under the airflow/turbocharger tab in HP Tuners to no avail. I started by raising it above Baro as stated to disable it, then moved it down to .75 bar without any luck.
I'm about to start digging in To the hyst setting, then the pressure gradients. However I don't know what any of these do.
To be clear, my scans say my BOV DC holds steady at 4.7% at all times as a minimum and the blow off is an ANNOYING hiss at part throttle under load.

[07GTS]

hysteresis is the value between two set points on/off, so on 100kpa and hyst of 10kpa would mean it would go off at 90kpa if its a lower hyst or higher hyst value 110kpa off