BMW Z1 Tuning
1 supported BMW Z1 application, 1988+.
BMW
1 supported Z1 tunes
BMW Z1
2.5i
170 HP stock / 163 lb-ft
1988+
- Controller
- Engine (ECU): Siemens MS43
- Flash method
- OBD port
AutoTunerBook a tune
All Supported BMW Z1 Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 2.5i | 1988+ | 170 hp | ECU Siemens MS43 | AutoTuner |
Other BMW Models
About BMW Z1 tuning
Rapid Racing supports 1 BMW Z1 application from 1988+ through AutoTuner, with stock outputs up to 170 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.
Supported engines: 2.5i.
Supported controllers: Siemens MS43.
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.