A BMW 5 serie 520i 184hp (F10/11 – 2010 – 2016) makes about 240 hp and 420 Nm with Stage 1 software, compared with 184 hp and 270 Nm from the factory. That is 56 hp and 150 Nm extra.

This is a petrol engine with a displacement of 1,997 cc and engine code N20B20B. The engine is controlled by the Bosch MEVD17.2.4 and Bosch MEVD17.2.9, the gearbox by the ZF 8HP45. The software file can be written with tools such as Alientech K-TAG, Alientech KESS3, Alientech KESSv2, Autotuner, ByteShooter Toolbox and 6 more.

Frequently asked questions

How much power and torque does a BMW 5 serie 520i 184hp gain with Stage 1?

About 56 hp and 150 Nm: from 184 hp / 270 Nm to roughly 240 hp / 420 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW 5 serie 520i 184hp use?

Bosch MEVD17.2.4 and Bosch MEVD17.2.9 (engine); ZF 8HP45 (gearbox).

Which tools can read a BMW 5 serie 520i 184hp?

Alientech K-TAG, Alientech KESS3, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash, Femto OBD Flasher, MagicMotorsport Flex, Dimsport New Genius, Dimsport New Trasdata and PCM-Flash.

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