Service bulletins for the 2021 BMW M550i
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.
165 on file from NHTSA, as of 2026-10-19.
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By component
Only bulletins with component: Turbocharger or supercharger are shown. Show all
| B010221 | 2021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER:INTERCOOLER. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Charge Air Intercooler to: 15 years/150,000 miles as determined by the vehicle's original in-service date. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.