I'm fairly certain that the black plastic parts in your lower oil pan came from the cam gears.
Remove your valve covers & look at the timing gears themselves.
Especially the rear side of the gears.
The teeth on these gears are isolated from the center of the gear pulley by plastic.
The only other plastic parts in the front of the engine are the timing chain guides.
But those are either perfectly straight, or slightly curved (not as curved as what I see in your picture)
That's the best educated guess I can offer. :neutral:
Good luck with your build.
I'm also sourcing parts for my own '91 318is m60 conversion. :)
Remove your valve covers & look at the timing gears themselves.
Especially the rear side of the gears.
The teeth on these gears are isolated from the center of the gear pulley by plastic.
The only other plastic parts in the front of the engine are the timing chain guides.
But those are either perfectly straight, or slightly curved (not as curved as what I see in your picture)
That's the best educated guess I can offer. :neutral:
Good luck with your build.
I'm also sourcing parts for my own '91 318is m60 conversion. :)
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