BMW bulletin B652724
BMW filed this with NHTSA as a service bulletin dated May 19, 2026, received Oct 19, 2024, about the air bags — 3 documents under this number. It names 18 model years (2020–2025). 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 communicationA check control message (CCM) for the restraint system (Air bag) appears. In the instrument cluster, the red air bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: Short circuit to negative terminal 93094F - Knee airbag, front passenger: Short circuit to negative terminal 93094C - Knee airbag driver's side: Resistance too great 930952 - Knee airbag, front passenger: Resistance too great
Documents filed under this number
| Document | Kind | Dated | NHTSA id |
|---|---|---|---|
| B652724 | Service bulletin | May 19, 2026 | 11033033 |
| B652724 | Service bulletin | Nov 25, 2025 | 11025835 |
| B652724 | Service bulletin | Oct 17, 2024 | 11009002 |
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 B652724 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 B652724 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 B652724 cover?
The manufacturer filed it against 18 model years: 2025 BMW X5, 2024 BMW X5, 2023 BMW X5, 2022 BMW X5, 2021 BMW X5, 2020 BMW X5 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.