Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare...
BMW technical service bulletin B120326 for 2025 BMW X5, 2025 BMW X3 and 2025 BMW X1 and others.
- Bulletin number
- B120326 (0099020300)
- Component
- Electrical system
- Summary
- Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes (DTCs) and the MIL (warning light) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
Owners of these vehicles have filed 38 complaints in the electrical category.
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