BMW Z4 2021: ENGINE

General Information

NHTSA Campaign ID Number: 21V598000

Make Model Year
BMW Z4 2021
Date Owners Notified Date Received by ODI Date Added to Database
2021-09-17 2021-08-02 2021-08-03

Manufacturers Involved: BMW of North America, LLC

Component: ENGINE

Potential Number Of Units Affected: 50024

Report Initiator: MFR MFR Report

Summary

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.

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.

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.