S55 F-Series Custom Tune

The Immotus Performance custom tuning calibration for the BMW S55 platform is engineered to unleash the full potential of the 3.0L twin-turbocharged inline-six found in the F8X M models. Our calibration strategy precisely refines boost control, ignition timing, fuel delivery, torque mapping, and throttle sensitivity to deliver substantial horsepower and torque gains while maintaining the sharp responsiveness expected from an M engine.

Each tune is custom-tailored to your specific setup—whether stock turbos, upgraded downpipes, larger intercoolers, hybrid turbo systems, or full bolt-on configurations. We carefully manage boost ramp rates, intake air temperatures, and fueling strategies to ensure consistent, repeatable power while prioritizing engine reliability and drivability.

The result is immediate throttle response, explosive mid-range torque, stronger top-end pull, and a more aggressive power delivery that transforms the S55 into a true performance machine.

Supported Cars: 

• M3 S55 F80 2014 - 2019
• M4 S55 F82 2014 - 2021 *
• M4 S55 F83 2014 - 2021 *
• M2 Competition S55 F87 2018 - 2022 *