Bootmod3 ECU Tune – BMW S63 (M5 / M6 / M8 / X5M / X6M)

The Bootmod3 (BM3) ECU Tune unleashes the full performance of BMW’s twin-turbocharged S63 engine, found in the M5, M6, M8, X5M, and X6M.

Bootmod3 provides the most complete and user-friendly tuning platform available — allowing you to flash, log, and monitor your ECU directly through the OBD port using your phone or laptop. Enjoy reliable power gains, race-calibrated performance, and factory-like drivability.

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Power Gains (OTS Maps — S63 Engine)

Aggressive burble (AGG) versions of maps also available.

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Key Features

• Cloud-Based Flashing: Flash your ECU in minutes via OBD using Bootmod3’s web or mobile app.

• Live Dash: Monitor key parameters in real time with customizable gauges.

• High-Speed Datalogging: Record and review detailed engine data at high resolution.

• Diagnostics: Read and clear fault codes in all vehicle modules.

• Adaptation Resets: Reset learned octane and knock adaptations for consistent performance.

• Performance Adjustments:

  • Cold Start Delete (quieter startup)

  • Cat Efficiency Check (CEL) Removal (for off-road use only)

  • Exhaust Flap Control (Sport Mode)

  • Top Speed Limiter Removal

  • Boost-By-Gear Adjustment

  • Max Cooling Mode

  • Sport Gauge Recalibration

  • Custom Throttle Mapping

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Supported Vehicles (S63 Engine)

F-Series (S63TU / S63TU2):

• F10 M5 (2012–2016)

• F06 M6 Gran Coupe (2013–2018)

• F12 / F13 M6 Convertible / Coupe (2013–2018)

• F85 X5M (2015–2018)

• F86 X6M (2015–2018)

G-Series (S63TU4):

• • F90 M5 (2018–2023)

  • F91 M8 Convertible (2020–present)

  • F92 M8 Coupe (2020–present)

  • F93 M8 Gran Coupe (2020–present)

• G05 X5M (2020–Present)

• G06 X6M (2020–Present)

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Requirements

• Bootmod3 License (sold per VIN) — this is the item being purchased in this listing.

• BM3 WiFi Adapter or OBD ENET cable (sold separately) — required for flashing and datalogging.

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Disclaimer

For off-road use only. Not intended for use on public roads.