Cooled EGR reduces
pre-ignition, [color:#FF6666]as does regular EGR[/color
reduces NOx, [color:#FF6666]as does regular EGR[/color
allows use of lower Octane fuel, [color:#FF6666]as does regular EGR[/color
and can improve fuel economy. [color:#FF6666]as does regular EGR[/color
So what's the benefit of cooled EGR over regular EGR? In a vary narrow arena not applicable to the OP's setup there might be slight improvements in the listed areas
IF the computer has the capacity to take advantage of it, doubtful the stock setup does.
https://www.sae.org/news/2014/09/cooled-egr-shows-benefits-for-gasoline-engines
