BMW 540I, 745LE, M340I and others: Engine

Date

Aug. 2, 2021

Filed by

BMW of North America, LLC

Vehicles

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)

Manufacturer of the vehicles

BMW of North America, LLC; Toyota Motor Corporation

Component

Engine

Description of the 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.

Potentially affected

50024

What can happen

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.

Recall 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.

Owner notification date

Sept. 17, 2021

Recall type

V (vehicle)

Influenced by

MFR

Manufacturer's component

Engine Management Software · Engine Management Software · Software Issue - No Part Number

Recall number

21V598000

What should I do? Car recall: how to check your car and get it fixed

Source: NHTSA · Vehicle record. View the agency notice. The agency notice governs; check it and the company before acting.