BMW bulletin B540618
BMW filed this with NHTSA as a service bulletin dated Oct 1, 2018, received Oct 9, 2018, about the equipment — 2 documents under this number. It names 2 model years (2018–2019). A service bulletin 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.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationSERVICE ACTION: CHECKING AND, IF NECESSARY, REPLACING CONVERTIBLE TOP LOCKING BASE PLATE. The knurled bolts on the convertible top locking base plates may not have been installed correctly on the cowl panel. The knurled bolts may not have been pressed completely into the base plate.
Documents filed under this number
| Document | Kind | Dated | NHTSA id |
|---|---|---|---|
| B540618 | Service bulletin | Oct 1, 2018 | 10149534 |
| B540618 | Service bulletin | Jul 1, 2018 | 10145336 |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5; the full text comes from the manufacturer or a dealer. 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. Quote it 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.
Common questions
Source: NHTSA, 49 CFR 579.5Is BMW B540618 a recall?
No. A service bulletin 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 B540618 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.
Which vehicles does B540618 cover?
The manufacturer filed it against 2 model years: 2019 BMW i8, 2018 BMW i8. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.