BMW 228I 2014–2018 — technical service bulletin
Bulletin B630716 · NHTSA communication 10154858 · issued Feb 1, 2018
Technical service bulletin
communication type
Equipment
component
2014–2018
model years
12
vehicle entries
Official summary
WATER INSIDE REAR LIGHT ASSEMBLY. Water is inside rear light assembly. Water is drawn into the rear light assembly through ventilation openings.
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.