Bootmod3 ECU Tune – BMW S55 (F80 M3 / F82–F83 M4 / F87 M2 Competition) E260 the coolant pump operates at

the coolant pump operates at 100% for maximum cooling efficiency

ignition timing angle

MHD+ Map Switch is not available for OTS maps on N13

denser air directly to the turbochargers

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Bootmod3 ECU Tune – BMW S55 (F80 M3 / F82–F83 M4 / F87 M2 Competition) E260 the coolant pump operates atThe Bootmod3 (BM3) ECU Tune transforms your BMW S55 engine found in the M3, M4, and M2 Competition into a fully tunable platform with advanced CustomROM capabilities. Flash maps, log data, and adjust performance features directly through the OBD port using your mobile device or computer. Bootmod3 delivers everything from daily drivability to full race calibration in minutes, making it one of the most capable flash solutions available for the S55