So fun odd one, my turbine rotors have gone invisible, a break and replace does not fix this either and they still work, they just are invisible. So no rush on this one.

Modpack ATM7 v0.4.4 , (no extra mods or shaders)
Mod versions biggerreactors-1.18.2-0.6.0-beta.1.1.jar , and phosphophyllite-1.18.2-0.6.0-beta.1.2.jar