Firmware for Land Rover Discovery,
engine: 4.4 petrol,
control unit: Denso 7058 LR27XV6000,
software version: NNV506250 L_A8N44A 41_5210,
the firmware disabled the control of catalysts (Euro 2), EGR valve and made chip tuning with an increase in power and torque by 10%. You can remove the connectors from the lower oxygen sensors.