[thstone]

To the best of my knowledge, no one really knows the standard or specification (for condition and tolerances) to determine the work performed or parts replaced on a M96 Porsche factory reconditioned engine.

Again, to the best of my knowledge Porsche started with a used engine (maybe running, maybe not running, maybe with some engine failure) and based on a teardown inspection replaced whatever parts were required to return the engine to this unknown definition of acceptable condition and tolerances. Then they shipped it out to a dealer for retrofit.