From 320 hp to about 400 hp: the BMW 8 serie 840d 320hp (G15 – 2018 ->) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 680 Nm to about 800 Nm.

This is a diesel engine with a displacement of 2,993 cc and engine code B57D30. The engine is controlled by the Bosch MD1CP002, the gearbox by the ZF 8HP. The software file can be written with tools such as Alientech K-TAG, Alientech KESS3, Autotuner, ByteShooter Toolbox, CMD CMDFlash and 3 more.

Besides Stage 1, the following options are available for this vehicle: DECAT, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, DPF OFF and Vmax.

Frequently asked questions

How much power and torque does a BMW 8 serie 840d 320hp gain with Stage 1?

About 80 hp and 120 Nm: from 320 hp / 680 Nm to roughly 400 hp / 800 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW 8 serie 840d 320hp use?

Bosch MD1CP002 (engine); ZF 8HP (gearbox).

Which tools can read a BMW 8 serie 840d 320hp?

Alientech K-TAG, Alientech KESS3, Autotuner, ByteShooter Toolbox, CMD CMDFlash, MagicMotorsport Flex, Dimsport New Trasdata and bFlash.

Which extra options are available for a BMW 8 serie 840d 320hp?

DECAT, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, DPF OFF and Vmax.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.