Service bulletins for the 2018 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.
135 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Lighting are shown. Show all
| B630917 | 2023-05-01. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Exterior rear lights do not work. |
|---|---|
| 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.