A BMW 4 serie GC 420D 184hp (F36 – 2014 – 2016) makes about 220 hp and 440 Nm with Stage 1 software, compared with 184 hp and 380 Nm from the factory. That is 36 hp and 60 Nm extra.

This is a diesel engine with a displacement of 1,995 cc and engine code B47D20A. The engine is controlled by the Bosch EDC17C50, Bosch EDC17C41 and Bosch EDC17C56. The software file can be written with tools such as Autotuner, ByteShooter Toolbox, CMD CMDFlash and MagicMotorsport Flex.

Besides Stage 1, the following options are available for this vehicle: Adblue, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map, DPF OFF and Vmax.

Frequently asked questions

How much power and torque does a BMW 4 serie GC 420D 184hp gain with Stage 1?

About 36 hp and 60 Nm: from 184 hp / 380 Nm to roughly 220 hp / 440 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW 4 serie GC 420D 184hp use?

Bosch EDC17C50, Bosch EDC17C41 and Bosch EDC17C56.

Which tools can read a BMW 4 serie GC 420D 184hp?

Autotuner, ByteShooter Toolbox, CMD CMDFlash and MagicMotorsport Flex.

Which extra options are available for a BMW 4 serie GC 420D 184hp?

Adblue, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map, DPF OFF and Vmax.

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