Service bulletins for the 2020 BMW 840i
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.
176 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with type: Warranty extension are shown. Show all
| B011524 | 2026-08-03. Warranty extension. ENGINE. The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the vehicles original in-service / first delivery date. |
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| B010126 | 2026-05-18. Warranty extension. ENGINE. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date. |
| B010121 | 2024-11-25. Warranty extension. ENGINE. For this vehicle, the engine coolant thermostat limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles, as determined from the original in-service date. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.