From 197 hp to about 310 hp: the BMW Z4 20i 197hp (G29 LCI – 2023 -> …) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 320 Nm to about 470 Nm.

This is a petrol engine with a displacement of 1,998 cc and engine code B48B20. The engine is controlled by the Bosch MG1CS201.

Frequently asked questions

How much power and torque does a BMW Z4 20i 197hp gain with Stage 1?

About 113 hp and 150 Nm: from 197 hp / 320 Nm to roughly 310 hp / 470 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW Z4 20i 197hp use?

Bosch MG1CS201.

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