bmw i3

I am working with 2 modules of BMW I3 batteries 84 volts in series using 21 of 24 cells. 60 ah batteries NMC chemistry I believe. discharging to 3.5 volts resting and charging to a resting of 4.06 algorithm #156 on a delta Q charger 85.5 voltage (4.07 per cell). I am charging and tracking my...