BMW 8 Series GC 840i 340hp Tuning File
Performance Gains
Standard Power
340hp
Tuned Power
400hp
Power Gain
+60hp
Standard Torque
500Nm
Tuned Torque
580Nm
Torque Gain
+80Nm
Vehicle Details
Fuel Type: Petrol
Control Modules
Bosch MG1CS201
About This Tuning File
The BMW 8 Series GC 840i 340hp (2019 ->) produces 340bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 580Nm, a gain of 60bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.
Other Engine Variants
Link copied to clipboard!