Thanks mhingram, I paniced and ran to my mechanic and found this out.
I should've known. I just envisioned new cam bearing tower set for some reason.
Panic mode over.

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63 220S W111
76 300D W115
2013 VW JSW TDI M6

previously-
73 280 SEL 4.5
86 300E 5 speed
2010 VW Jetta TDI M6