New Support: 2021-and-later locked BMW B48, B57, and B58 models are now supported for ECU Data Read/Write and ISN Reading. This update is available using the OBDSTAR ECM-003 Wiring Harness and supports the following Bosch ECUs:
- BOSCH MD1CP032 TC299TP
- BOSCH MG1CS024 TC298TP
- BOSCH MG1CS201 TC298TP
Supported Models
BMW
- Engine Families: B48, B57, B58
- Model Years: 2021-and-later LOCKED models

Functions
Supported operations include:
- ECU Data Read
- ECU Data Write
- ISN Reading
Supported ECUs
- BOSCH MD1CP032 TC299TP
- BOSCH MG1CS024 TC298TP
- BOSCH MG1CS201 TC298TP
Supported Tools
The ECM-003 ECU Read/Write Wiring Harness is compatible with:
- KEYMASTER G3
- DC706
- All ECU MASTER with A Configuration
Why This Update Matters
This update extends OBDSTAR coverage to 2021-and-later locked BMW B48/B57/B58 applications while providing ECU Data Read/Write and ISN Reading support through the ECM-003 Wiring Harness. For workshops servicing newer BMW vehicles, it adds support for a wider range of locked ECU configurations without changing the existing OBDSTAR tool ecosystem.

Technical Support
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