Gilles,
Regarding the frontal windshield (am not a specialist) it "seems" there were two parts indeed
https://forum.il2sturmovik.com/topic...l-not-accured/
Do agree with you that the other parts "looks like" the engine cowling part with the MG 131 orifice.
Amazing findings indeed....maybe very soon another part of the machine will arise with a werknummer or part-number so you will be able to positively identify the machine and pilot.
All the best from your friend,
Adriano