BMW 18i Tuning
Supported in 4 BMW models, 1998+.
BMW
14 supported 18i applications
Models With the BMW 18i
All Supported BMW 18i Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 1-serie | 2005+ | E81-E87 | 129 hp | ECU Siemens MSV70 | AutoTuner |
| 1-serie | 2005+ | E81-E87 | 129 hp | TCU ZF 6HP | AutoTuner |
| 1-serie | 2005+ | E81-E87 | 136 hp | ECU Siemens MSD81 | AutoTuner |
| 1-serie | 2005+ | E81-E87 | 136 hp | ECU Bosch ME9.2 | AutoTuner |
| 1-serie | 2005+ | E81-E87 | 136 hp | ECU Bosch MEV17.2.1 | AutoTuner |
| 3-serie | 2005+ | E90 | 136 hp | ECU Siemens MSD81 | AutoTuner |
| 3-serie | 2005+ | E90 | 136 hp | ECU Bosch ME9.2 | AutoTuner |
| 3-serie | 2005+ | E90 | 136 hp | ECU Bosch MEV17.2.1 | AutoTuner |
| 3-serie | 1998+ | E46 | 150 hp | ECU Siemens MSD81 | AutoTuner |
| 3-serie | 1998+ | E46 | 150 hp | ECU Bosch MEV17.2.1 | AutoTuner |
| X1 | 2009+ | E84 | 150 hp | ECU Siemens MSD81 | AutoTuner |
| X1 | 2009+ | E84 | 150 hp | ECU Bosch MEV17.2.1 | AutoTuner |
| Z4 | 2009+ | E89 | 156 hp | ECU Bosch MEVD17.2.9 | AutoTuner |
| Z4 | 2009+ | E89 | 156 hp | ECU Bosch MEVD17.2.4 | AutoTuner |
About BMW 18i tuning
We tune the BMW 18i in 14 applications across the 1-serie, 3-serie, X1, Z4, from 1998+, in gasoline form, with stock outputs of 129-156 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: Bosch ME9.2, Bosch MEV17.2.1, Bosch MEVD17.2.4, Bosch MEVD17.2.9, Siemens MSD81, Siemens MSV70, ZF 6HP.
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.