2019–2021 BMW Z4 & 2020–2021 BMW 745LE + 5 more recall: engine
⚠️ What's 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.
💥 The risk
Loss of braking assist can increase the risk of a crash.
🔧 The fix
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.
Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
- NHTSA campaign
- 21V598000
- Manufacturer
- BMW of North America, LLC
- Vehicles affected
- 50,024
- Component
- ENGINE
- Owner phone
- 1-800-525-7417
- NHTSA hotline
- 1-888-327-4236
- Owner letters mailed
- Sep 17, 2021
- Recall started by
- MFR
- 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.