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 MG1CS003

About This Tuning File

The BMW 8 Series 840i 340hp (G15 - 2018 ->) 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

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