DME Tuning ECU calibration for BMW X4 xDrive 35i 2018. Select the stage that matches your vehicle and installed hardware.
Tuning stages
| Calibration |
Horsepower (HP) |
Torque (TQ) |
Hardware / configuration |
| Factory |
306 |
295 |
Factory calibration |
| Stage 1 |
420 |
400 |
Stock exhaust |
| Stage 2 |
440 |
420 |
Downpipes Required |
Performance figures are as listed by DME Tuning. Torque follows the source TQ label.
Listed calibration features
- Fuel-octane-specific calibration.
- Downpipe-related check-engine-light calibration, listed by DME for off-road use only.
- Speed-limiter calibration where supported.
- Cold-start settings.
- Exhaust burble adjustment where supported.
- Original ECU settings are retained to support a return to stock.
Programming and requirements
- Remote OBD flashing uses a supplied cable and TeamViewer. DME lists a Windows 7 or newer laptop for the session.
- Shipping for the OBD cable is additional.
- DME recommends spark plugs one heat range colder.
- DME recommends replacing spark plugs and primary oxygen sensors every 20,000 miles.
The vehicle VIN is required to arrange the correct calibration.
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