Hello people of the internet.
I have a 2019 F54 Cooper S with full JCW tune kit installed by previous owner.
I've been considering either Dinan ECU flash or their piggy back.
I'd called Dinan, a rep told me they have never tested Cooper S with JCW tune kit after Dinan software/hardware installation.
I'd like to spice up my Cooper a bit.
Has anyone tried/done Dinan upgrade on a Cooper S that already had JCW tune kit installed?

 

I have the Dinan tune on my 18 Clubman S, but I chose it over the JCW tune because it was so much cheaper and a lot more power add. I did wonder if you could essentially stack those tunes though. I also have a 12 BMW 135i with the BMW performance pack and I was told by Dinan that their tune would just further enhance the BMW performance tune. Could be the same for the MINI. Will they even install the tune without testing it first?