Content by Bjorn in April, 2026

Im about to get my 5th MG ZS EV 1.Gen Service. I still have the old 455V BMS software, but I do see now 60-130 mV cell difference. I will report back what the dealer will do. I suggested to get the BMS update 449V ish and then I will try to balance the battery. Right now after 5x balancing...