2021-2023 BMW 3 Series Erratic Welcome Light TSB
BMW has released Technical Service Bulletin 10236233 addressing an issue where the welcome light in the headlights of certain 2021-2023 BMW 3 Series models lights up erratically when the vehicle is unlocked. This communication details the reported symptom.

Also applies to
- BMW 330e
- 2021–2023
- BMW 330i
- 2021–2022
- BMW M340i
- 2021–2023
Symptoms of Erratic Welcome Light
Owners of certain 2021-2023 BMW 3 Series models may observe that the welcome light in the headlight "lights up eratically" when the vehicle is unlocked. This behavior specifically occurs as part of the vehicle's welcome sequence. If you notice your BMW 3 Series erratic welcome light, it aligns with the condition described by BMW.
Manufacturer Communication TSB 10236233
BMW has released Technical Service Bulletin (TSB) 10236233 to document this specific symptom. This communication acknowledges that the welcome light in the headlight may exhibit erratic illumination when the vehicle is unlocked. The TSB serves to inform technicians about this condition, ensuring they are aware of the reported BMW 3 Series erratic welcome light behavior.
What Owners Should Do
If your 2021-2023 BMW 3 Series is experiencing an erratic welcome light, it is recommended to contact your authorized BMW dealership. Mentioning TSB 10236233 can help streamline the diagnostic process. While the current communication primarily describes the symptom, your dealer can check for any related service actions or updated information regarding this issue.
Source: NHTSA ID 10236233
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