I forgot to mention, the Belgian guy said, that although they will use BMW parts in the interior (iDrive, steering wheel, the sat nav screen etc) the dashboard and all other panels will not be shared with the Z4 but they will be specific to the Supra. 

I went to Goodwood (actually flew from Poland to be at Goodwood for about 3.5hrs, flew in on Sunday morning and had a plane back in the evening) and while drooling over the new supra, I talked to the engineer that ‘minded’ the car, he was Belgian (don’t remember his name) and told me he has been on the project for the…