Bmw 3 Series, Bmw 4 Series, Bmw 5 Series, Bmw 8 Series, Bmw X3, Bmw X4, model year 2023. Filed by BMW of North America, LLC and reported to NHTSA on 6 December 2023. 552 vehicles potentially affected.
What the notice says BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive, M440i xDrive), 8 Series …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
The maker's own number for this recall: TOYOTA - 23TA14. That is the number on the owner letter and on the dealer paperwork. 23V821 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 23V821 cover?
- BMW 3 Series, BMW 4 Series, BMW 5 Series, BMW 8 Series, BMW X3, BMW X4, BMW X5, BMW X6, model year 2023.
- What is wrong with them?
- BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive,...
- What can happen if it is not put right?
- Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive power and increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as necessary, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact BMW customer service at 1-800-525-7417.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. The maker calls this recall TOYOTA - 23TA14, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive power and increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 23V821 |
|---|---|
| Filed by | BMW of North America, LLC |
| System at fault | Power Train:Automatic Transmission:Control Module (TCM/PCM/Tecm) |
| Reported to NHTSA | 6 December 2023 |
| Model years | 2023-2023 |
| Vehicles named | BMW 3 SERIES, BMW 4 SERIES, BMW 5 SERIES, BMW 8 SERIES, BMW X3, BMW X4, BMW X5, BMW X6, BMW Z4, TOYOTA SUPRA |
What the notice says today
The consequence
Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive power and increasing the risk of a crash.
The remedy
Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as necessary, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact BMW customer service at 1-800-525-7417.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 816 notices in the record whose component field names power train. Across that group the median wait before owners were written to was 42 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- BMW 3 Series recalls: 4 US campaigns
- BMW 5 Series recalls: 8 US campaigns
- BMW X3 recalls: 47 US campaigns since 2016
- BMW X4 recalls: 26 US campaigns since 2016
- BMW X5 recalls: 47 US campaigns since 2016
- BMW X6 recalls: 27 US campaigns since 2016
- BMW Z4 recalls: 23 US campaigns
- Toyota Supra recalls: 12 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 23V821, wording as read on 17 September 2026. https://carsmultiverse.com/recall/23v821/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 23V821 on 5 September 2026, they were:
- Defect summary
c58b3172 - Consequence
7ad51654 - Remedy
ad1c2a97
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 23V821 · how the whole register is watched
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