Bootmod3 ECU Tune – BMW B48 / B46 (230i / 330i / 430i / Mini JCW) S4 delivering an aggressive launch that

delivering an aggressive launch that shaves down acceleration times

Gearbox “Torque Limiters” removed

Lightening-fast shift times

Stage 1 stock intake 91 AKI / 95 RON

Increasing the RPM limit allows your matching IE Stage 1 or Stage 2 tune to make power higher into the RPM range fully unlocking the hidden power available at higher shifts

Bootmod3 ECU Tune – BMW B48 / B46 (230i / 330i / 430i / Mini JCW) S4 delivering an aggressive launch thatThe Bootmod3 (BM3) ECU Tune redefines tuning for BMWs turbocharged B48 and B46 engines, giving you full calibration control and instant flashing through the OBD port. Whether stock or full bolt on, Bootmod3 delivers significant power gains, improved throttle response, and advanced tuning features, all while retaining OEM driveability and safety systems. CustomROM Features Map Switching (On the Fly): Instantly switch between up to four maps using