3.0T / 3.0T GT
Alpina B4 OBD Unlock Patch
ECU access only. Performance tuning is sold separately.
Model years2023-2026
ECU identifiers3.0T / 3.0T GT
PlatformNot listed
ServiceRequest OBD unlock patch
Alpina B4 OBD unlock patches
2026 Alpina B4 ECU OBD Unlock Patch
3.0T / 3.0T GT · AutoTuner Bench Patch
2025 Alpina B4 ECU OBD Unlock Patch
3.0T / 3.0T GT · AutoTuner Bench Patch
2024 Alpina B4 ECU OBD Unlock Patch
3.0T / 3.0T GT · AutoTuner Bench Patch
2023 Alpina B4 ECU OBD Unlock Patch
3.0T / 3.0T GT · AutoTuner Bench Patch