Originally Posted by dedhed

Ahh, so a through spindle 2 piece crank, not HT2. There are various ways to adjust preload on the various manufacturers design ranging from wave washers, adjusting rings, to no real preload on actual HT2 cranks. I don't know of anyone who uses a torque wrench on HT2 caps beyond "finger tight" as most of the tools have no provision to attach a torque wrench. Torque wrenches are also typically less accurate on the very low ends of their range. HT2 cranks are basically set and forget.
But you do you and adjust away. Myself, I'll just replace the $30 mid level HT2 BB someday if the time comes. I treat them like consumables like chains