Service bulletins for the 2016 BMW M4
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
229 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Headlights are shown. Show all
| B630516 | 2018-11-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES. "HEADLIGHT ASSEMBLIES HAVE VISIBLE INTERNAL MOISTURE/CONDENSATION. Water on the inside (A) or misting (B) of both headlight lenses that is visible from outside. Water inside the headlights can be caused by two situations: Water/moisture ingress into the headlight housing. Thermal conditions that result in the formation of condensation. Note: An important indication that the moisture issue is caused by ""condensation"" rather than a ""water leak"" into the headlight housing, there will be misting/condensation in ""both headlights.""" |
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| B630516 | 2018-05-07. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING. HEADLIGHT ASSEMBLIES HAVE VISIBLE INTERNAL MOISTURE/CONDENSATION: Water on the inside (A) or misting (B) of both headlight lenses that is visible from outside. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.