BMW bulletin B340914
What it saysThe Dynamic Stability Control (DSC) warning light comes on while driving. NHTSA’s full summary ↓
BMW filed this with NHTSA as a service bulletin dated Jun 1, 2023, received Jul 24, 2023, about the wheels. It names 10 model years (2016–2019). 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.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThe Dynamic Stability Control (DSC) warning light comes on while driving. The following DSC fault codes for the wheel speed sensors are stored: 480712 and/or 480715 and/or 480718 and/or 48071B They cannot be cleared, even though the wheel speed sensors work correctly and no problem can be found with the wiring harness.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| B340914 | Service bulletin | Jun 1, 2023 | 10239605 | not found |
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 themAlso filed against model years this site has no page for: 2016 BMW B7 Alpina.
A 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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What owners reported
Source: NHTSA complaint databaseOwners of the 9 model years this bulletin names have filed 216 complaints with NHTSA since 2015. 1 of them name Wheels — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
This car has bridgestone potanza s001 tires that are summer tires and are not safe for winter, I learned that driving on a snow day in town. Not drivable
2019 BMW 6 Series · Wheels · filed with NHTSA Jan 29, 2020 · ODI 11302834
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the wheels
Source: same model, same component group1 other manufacturer communication filed against these BMW models under the same component group (wheels), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| B270220 | Service bulletin | Jun 6, 2025 | JERKING OR SHUDDERING FROM THE DRIVELINE (XDRIVE TRANSFER CASE ATX13-X): There is a jerking or shuddering during either or both of the follo… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for BMW, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is BMW B340914 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 B340914 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 B340914 cover?
The manufacturer filed it against 10 model years: 2016 BMW 5 Series, 2019 BMW 6 Series, 2018 BMW 6 Series, 2017 BMW 6 Series, 2016 BMW 6 Series, 2019 BMW M and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.