From 197 hp to about 250 hp: the BMW Z4 20i 197hp (G29 – 2019 – 2023) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 320 Nm to about 440 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, the gearbox by the ZF 8HP. The software file can be written with tools such as Alientech KESS3, Autotuner, ByteShooter Toolbox, CMD CMDFlash, Femto OBD Flasher and 3 more.
Besides Stage 1, the following options are available for this vehicle: DTC Removal, START/STOP OFF and Vmax.
Frequently asked questions
How much power and torque does a BMW Z4 20i 197hp gain with Stage 1?
About 53 hp and 120 Nm: from 197 hp / 320 Nm to roughly 250 hp / 440 Nm. The exact gain depends on engine condition and fuel quality.
Which ECU does a BMW Z4 20i 197hp use?
Bosch MG1CS201 (engine); ZF 8HP (gearbox).
Which tools can read a BMW Z4 20i 197hp?
Alientech KESS3, Autotuner, ByteShooter Toolbox, CMD CMDFlash, Femto OBD Flasher, MagicMotorsport Flex, Dimsport New Trasdata and bFlash.
Which extra options are available for a BMW Z4 20i 197hp?
DTC Removal, START/STOP OFF and Vmax.
Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.
Other versions of BMW Z4
- BMW Z4 2.0i 150hp
- BMW Z4 2.2i 170hp
- BMW Z4 2.3i 204hp
- BMW Z4 2.5i 177hp
- BMW Z4 2.5i 192hp
- BMW Z4 2.5i 211hp
- BMW Z4 2.5si 218hp
- BMW Z4 3.0i 231hp
- BMW Z4 3.0i 258hp
- BMW Z4 3.0si 265hp
- BMW Z4 3.5i – N54 – 306hp
- BMW Z4 3.5i – N55 – Twinscroll – 306hp
- BMW Z4 3.5is – N54 – 340hp
- BMW Z4 M 3.2 343hp
- BMW Z4 1.8i 156hp
- BMW Z4 2.0i 163hp
- BMW Z4 2.0i 184hp
- BMW Z4 2.3i 204hp
- BMW Z4 2.8i 245hp
- BMW Z4 3.0i 258hp
- BMW Z4 3.5i – N54 – 306hp
- BMW Z4 3.5i – N55 – Twinscroll – 306hp
- BMW Z4 3.5is – N54 – 340hp
- BMW Z4 30i 258hp
- BMW Z4 M40i 340hp
- BMW Z4 20i 197hp
- BMW Z4 30i 258hp
- BMW Z4 M40i 340hp
- BMW Z4 20i 197hp
- BMW Z4 30i 258hp
- BMW Z4 M40i 340hp

