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NHTSA recall 21V598000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

Campaign
Published byNHTSA (United States)
Campaign number21V598000
ManufacturerBMW of North America, LLC
Reported2021-08-02
Owners notified2021-09-17
ComponentENGINE
Units potentially affected50024
Part numbersSoftware Issue - No Part Number
Remedy progress the manufacturer reported
ReportAnnual report 3, for 2025 quarter 3 to 2026 quarter 2
Filed with NHTSA2026-07-30
Vehicles in the campaign50024
Reported remedied47785 (95%)
Reported unreachable337
Reported removed174

These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 2, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.

What is wrong

BMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.

What can happen

Loss of braking assist can increase the risk of a crash.

The remedy

Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Vehicles this campaign lists
2020 BMW 540I
2020 BMW 745LE
2021 BMW 745LE
2020 BMW M340I
2020 BMW X3
2020 BMW X4
2021 BMW X4
2019 BMW Z4
2020 BMW Z4
2021 BMW Z4
2020 TOYOTA SUPRA
2021 TOYOTA SUPRA

A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.

Bulletins for the same vehicles and component

Bulletins for the same vehicles and component
B1104262026-08-03. Service bulletin. The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
B0109212026-08-03. Warranty extension. The NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
B0103242026-08-03. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
B0103242026-05-18. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
B0630252025-05-02. Other. Coolant Pump Return
B0625252025-04-04. Other. Bearing Shell Return
B0115242024-12-31. Warranty extension. the NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
B0109212024-12-31. Warranty extension. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
B0108212024-12-31. Warranty extension. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date
B0103242024-09-29. Warranty extension. For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that apply to the BMW New Vehicle Limited Warranty.

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

Check one vehicle officially