The electric actuator for the third row (3SR) seat changed design and part number, and is used in...
BMW technical service bulletin B521025 for 2024 BMW X7.
- Bulletin number
- B521025
- Component
- Electrical system
- Summary
- The electric actuator for the third row (3SR) seat changed design and part number, and is used in productionvehicles as of March 28, 2025. There are two such actuators at this seat row, one for the left seating position; and one for the right.
Owners of these vehicles have filed 9 complaints in the electrical category.
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