BMW 330I 2016–2019 — technical service bulletin
Bulletin B630318 · NHTSA communication 10154857 · issued Feb 1, 2018
Technical service bulletin
communication type
Interior Lighting
component
2016–2019
model years
15
vehicle entries
Official summary
LED LIGHT CARPET IS DIM OR DISTORTED. The light carpet may appear dim or distorted on one or both sides. See the photo below demonstrating the difference side to side. The light carpet LED lens may be blocked by debris.
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.