After the telematics module (TCB4) has been replaced, the replacement part control unit is not accepted...
BMW technical service bulletin B840525 for 2026 BMW 430I and 2026 BMW Ix Xdrive45.
- Bulletin number
- B840525
- Component
- Unknown or other
- Summary
- After the telematics module (TCB4) has been replaced, the replacement part control unit is not accepted byISTA.
Vehicles covered
- BMW 430I 2026 2026
- BMW Ix Xdrive45 2026 2026
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