Rolls-Royce bulletin B063625
Rolls-Royce filed this with NHTSA as a manufacturer communication dated Jun 23, 2025, received Jul 2, 2025, about the engine. It names 1 model year (2024). A manufacturer communication is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationHydrobearing Return
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| B063625 | Other | Jun 23, 2025 | 11020075 | PDF, 224 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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More bulletins about the engine
Source: same model, same component group5 other manufacturer communications filed against the Rolls-Royce Spectre under the same component group (engine), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| RRA06202402 | Service campaign | Jun 4, 2024 | A number of Rolls-Royce Spectre (RR25) vehicles have been identified as having a potential issue concerning the coolant changeover valve, th… |
| RRA02202403 | Service bulletin | Feb 14, 2024 | A number of Rolls-Royce Spectre (RR25) vehicles have been identified as having a potential issue concerning the coolant changeover valve, th… |
| RRA02202402 | Service bulletin | Feb 14, 2024 | A number of Rolls-Royce Spectre (RR25) vehicles have been identified as having a potential issue concerning the coolant changeover valve, th… |
| RRA02202411 | Service bulletin | Feb 11, 2024 | A number of Rolls-Royce Spectre (RR25) vehicles have been identified as having a potential issue concerning the coolant changeover valve, th… |
| RRA01202408 | Service bulletin | Jan 31, 2024 | The affected vehicles have been identified as having a potential issue concerning the coolant changeover valve(s) leaking at low temperature… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Rolls-Royce, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Rolls-Royce B063625 a recall?
No. A manufacturer communication is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the B063625 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every BMW warranty extension on file lists the ones BMW has filed.
Which vehicles does B063625 cover?
The manufacturer filed it against 1 model year: 2024 Rolls-Royce Spectre. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.