BMW 230I 2025 — technical service bulletin
Bulletin B630925 · NHTSA communication 11030309 · issued Mar 18, 2026
Technical service bulletin
communication type
Exterior Lighting
component
2025
model years
2
vehicle entries
Official summary
After programming the vehicle via ISTA/RSUto 25-07-5xx, some of the interior ambientlighting strips (examples circled) may nolonger function properly. Possible fault codes entries for F74: 804A38 – Interior lights layering (IL-LIN_3): versioning incorrect: LINslave 5 804A39 – Interior lights layering (IL-LIN_3): versioning incorrect: LINslave 6 804A3E – Interior lights layering (IL-LIN_3): versioning incorrect: LINslave 11
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.