I had … it
Ich hatte es dir versprochen, und ich habe es getan.
I promised you, and I did it.
Aber ich hatte es nie miteinander in Verbindung gebracht.
But I had never connected the two.
Ich hatte es vorher schon gehabt, verliehen, nie wieder gesehen.
I had owned it before, lent it out, and never saw it again.
— Aquarius (2016)
I had completely forgotten about it.
Ich hatte es gerade reparieren lassen.
I had just had it repaired.