if there is a group approach to this , please do count me in;
to do roof only -incls sound proofing ; e30 4 drs ( vry noisy when raining -worse than jap rocket)
BTW has anyone installed /used the "foam" that they inject into the chassis/ under door pillars - to improve ridigidity .
Any feedback - on therory it should improve the shell integrety for the older cars.