Many thanks, that informations needs further research.
Maybe we can find the Bf-110 which shot down by this B-17:
http://dkmcclurewwii.blogspot.com/p/chapter-6.html
Donald McClure tell in this report an amazing story.
That made me curious to find out which Bf-110 is exactly that.
Could parts of a BF-110 from the area be the aircraft you are looking for?
Parts: 46.1 001 and 110.772-010
nfortunately no serial number (WerkNr./Werknummer)