Who can help me with to identify this crash? I am currently working on an unidentified German crashsite in France. I only have a few clues at this point.

1) An eye witness who saw it crash in a swamp in the Orleans forest, probably in 1942, due to engine failure. The man took me to the crashsite and I can confirm that there are still small parts of wreckage.
2) He told me it was a german fighter.
3) The pilot bailed out successfully and got back to his unit.
4) the witness remembers that shortly after the war,someone took a small piece with a factory brand showing a walking ice bear (it's not a staffel emblem, but something that was inside)
5)The aircraft is buried in a swamp with acid earth and water, so the pieces of wreckage are very corroded. I could however find a piece with the blueish grey paint confirming a 1942 camouflages (see pics), rather than a grey paint which is also there but more like an undercoat.
There is also a speedometer (very corroded in the front but almost intact at the back) with the plug, the wires and the brand "HD" . There are a bunch of spars , a spark plug, electrical wires , parts of fuselage , a circular lid, a brake pad (I think) a thin aluminium pipe (1 meter long) .There is also some black rubber with glue (from a fuel tank? )











My conclusions at this point are that it could be a JG2 or JG26 fighter (ME109 or FW190) . I am only looking for losses, withing 200km from the crashsite that state a 100% loss and a pilot who is safe, not MIA or KIA . The witness saw him walk and talk to people and it is certain that he returned to his unit.
Any help would be greatly appreciated.

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