The BMW Z4 3.0si 265hp (E85 – 2003 – 2008) produces 265 hp and 315 Nm in standard form. With Stage 1 software that rises to about 280 hp and 360 Nm: a gain of 15 hp (+6%) and 45 Nm (+14%).
This is a petrol engine with a displacement of 2,996 cc and engine code N52B30A. The engine is controlled by the Siemens/Continental MSV70, the gearbox by the ZF 6HP. The software file can be written with tools such as Alientech KESS3, Alientech KESSv2 and Dimsport New Genius.
Besides Stage 1, the following options are available for this vehicle: DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map and Vmax.
Frequently asked questions
How much power and torque does a BMW Z4 3.0si 265hp gain with Stage 1?
About 15 hp and 45 Nm: from 265 hp / 315 Nm to roughly 280 hp / 360 Nm. The exact gain depends on engine condition and fuel quality.
Which ECU does a BMW Z4 3.0si 265hp use?
Siemens/Continental MSV70 (engine); ZF 6HP (gearbox).
Which tools can read a BMW Z4 3.0si 265hp?
Alientech KESS3, Alientech KESSv2 and Dimsport New Genius.
Which extra options are available for a BMW Z4 3.0si 265hp?
DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map 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 3.5i – 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 20i 197hp
- 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

