BMW 23i (2.5) Tuning
Supported in 3 BMW models, 2002+.
BMW
3 supported 23i (2.5) applications
Models With the BMW 23i (2.5)
All Supported BMW 23i (2.5) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 3-serie | 2005+ | E90 | 177 hp | ECU Siemens MSV70 | AutoTuner |
| 5-serie | 2003+ | E60 | 177 hp | ECU Siemens MSV70 | AutoTuner |
| Z4 | 2002+ | E85-E86 | 177 hp | ECU Siemens MSV70 | AutoTuner |
About BMW 23i (2.5) tuning
We tune the BMW 23i (2.5) in 3 applications across the 3-serie, 5-serie, Z4, from 2002+, in gasoline form, with stock outputs of 177 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Siemens MSV70.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.