Situation
BMW technical service bulletin B840525 for 2023-2025 BMW 430I and 2023-2025 BMW Ix.
- Bulletin number
- B840525
- Component
- Electrical system
- Summary
- SITUATION After the telematics module (TCB4) has been replaced, the replacement part control unit is not accepted byISTA.
Owners of these vehicles have filed 27 complaints in the electrical category.
Vehicles covered
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