NHTSA Recall 21V598000: Engine
BMW of North America, LLC reported this safety recall to NHTSA on , covering an estimated 50,024 vehicles. It affects 7 models including the BMW 540I.
| NHTSA campaign | 21V598000 |
|---|---|
| Component | ENGINE |
| Report received | August 2, 2021 |
| Owner notification | September 17, 2021 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
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.
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 covered by recall 21V598000
| Make and model | Model years |
|---|---|
| BMW 540I | 2020 |
| BMW 745LE | 2020, 2021 |
| BMW M340I | 2020 |
| BMW X3 | 2020 |
| BMW X4 | 2020, 2021 |
| BMW Z4 | 2019, 2020, 2021 |
| Toyota Supra | 2020, 2021 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.