Stage 1 BMW 125i E87 3.0 Petrol ECU Tuning File – 0049QK0MI20SMDU2S (MSV80) K0MI20S

Change log

  • v1.0 — 2025-06-07
    • Stage 1 with Vmax deactivation
    • Output increased to approx. 272hp
    • ECU ID fallback used: 0049QK0MI20SMDU2S
    • Siemens MSV80 compatibility validated​

Release notes

  • v1.0 — 2025-06-07
    • For users seeking added power without hardware changes
    • Improved high-RPM response and no speed limiter
    • Compatible with MSV80-equipped BMW 125i
    • Verify ECU ID before flashing
    • Not for use on public roads​
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