BMW 230I 2024–2025 — technical service bulletin
Bulletin B840225 · NHTSA communication 11018554 · issued May 13, 2025
Technical service bulletin
communication type
Electrical System
component
2024–2025
model years
13
vehicle entries
Official summary
When making phone calls via BMW Bluetooth (not Apple CarPlay) in the vehicle, the person in the calloutside the vehicle hears a distorted voice reproduction.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.