Service bulletins for the 2020 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.
48 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with type: Warranty extension are shown. Show all
| B010826 | 2026-09-28. Warranty extension. STRUCTURE:BODY. The coverage period for qualifying lower rear side panel water drain repair that addresses the issues described in the Service Information Bulletin has been extended to 15 years / 150,000 miles, as determined from the original first in-service / delivery date. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.