456 first oil change, torque

When reinstalling the lower pan oil plug, I screwed it in finger tight, and was then ready to use a tool to add 1-2mm from the other end of the tool, but the plug just broke in two before I applied any kind of pressure.

I've ordered a new one (both plugs in fact).

Normal? The result of previous owner/mechanic being too tough on it?

No official torque recommendations? I never need that for filters, but for the plug, I would prefer if available

(the broken part came out easily)

 

Just to add, the spin on filters were extremely tight. Somebody must have confused their mechanics job with the gym...