Recall 21V598000: 2019–2021 BMW Z4 and 5 other models
- Report received
- Aug 2, 2021
- Manufacturer
- BMW of North America, LLC
- Potentially affected
- 50,024vehicles
- Model years
- 2019–2021
Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.
What NHTSA recorded
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.
Possible consequence
Loss of braking assist can increase the risk of a crash.
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.
Affected model years
Pages for each model year show complaints, parts, mileage and other recalls.
- 2020 BMW 540I3 complaints
- 2020 BMW M340I57 complaints
- 2020 BMW X3110 complaints
- 2020 BMW X415 complaints
- 2021 BMW X46 complaints
- 2019 BMW Z45 complaints
- 2020 BMW Z45 complaints
- 2021 BMW Z41 complaints
- 2020 Toyota Supra16 complaints
- 2021 Toyota Supra20 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.