A BMW M3 3.0 CS 550hp (G80 – 2021 – 2024) makes about 640 hp and 800 Nm with Stage 1 software, compared with 550 hp and 650 Nm from the factory. That is 90 hp and 150 Nm extra.

This is a petrol engine with a displacement of 2,993 cc and engine code S58B30. The engine is controlled by the Bosch MG1CS003. The software file can be written with tools such as Autotuner.

Frequently asked questions

How much power and torque does a BMW M3 3.0 CS 550hp gain with Stage 1?

About 90 hp and 150 Nm: from 550 hp / 650 Nm to roughly 640 hp / 800 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW M3 3.0 CS 550hp use?

Bosch MG1CS003.

Which tools can read a BMW M3 3.0 CS 550hp?

Autotuner.

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