SAFETY RECALL 21TA04 – Potential Increased Braking Distance – 2020-2021 Toyota Supra

BMW of North America, LLC (BMW) is recalling certain 2020 M340i

DTC Quick Navigation

August 2, 2021 NHTSA CAMPAIGN NUMBER: 21V598000

Loss of Braking Assist

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

NHTSA Campaign Number: 21V598

Manufacturer BMW of North America, LLC

Components ENGINE

Potential Number of Units Affected 50,024


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.


Dealers will update the engine management software, free of charge. Owner notification letters are expected to be mailed October 1, 2021. Owners may contact BMW customer service at 1-800-525-7417.


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

DTC Helper
DTC Helper
Articles: 3459