Stage 1 Bosch ME1.5.5 Opel Speedster 2.0 Turbo ECU Firmware | Software 367087 | 0261208138

Change log

  • v1.0 — 2025-06-09
    • Initial Stage 1 calibration for 2.0 Turbo ME1.5.5
    • Vmax off; boost & torque tables revised
    • CVN patch and checksum correction implemented
    • Flash verified via K-Tag and BDM​

Release notes

  • v1.0 — 2025-06-09
    • Released for Speedster 2.0 Turbo owners wanting a straightforward Stage 1 upgrade
    • Compatible with stock internals and K04 turbo; ensure clutch health before flashing
    • Install via OBD or bench with any ME1.5.5-capable tool
    • Verify ECU 0261208138 and software 367087 before programming​
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