Today started with taking out all interior panels, door panels and centre console.
I put on all panels and under everything self adhesive sound deadening and vibration proofing, from 5mm up to 10mm depeding on the space behing the panel.
I also put 10mm on the not covered steel behind the back seats.
there is a thin aluminium foil and the rest is black closed cell foam.
it starts to look like this: