Loss of braking assist
Defect 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.
Safety Consequence
Loss of braking assist can increase the risk of a crash.
Corrective Action
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.
Similar Recalls
Other recalls from Bmw Of North America, Llc or involving N/A.
FAQ: Recall 21V598000
Your rights, the repair process, and what each field on this page means.
What is recall 21V598000?
NHTSA recall 21V598000 was issued by Bmw Of North America, Llc on August 2, 2021. It addresses: Loss of braking assist. The recall affects approximately 50,024 vehicles, with the defect involving the N/A component.
How do I get this recall repaired?
Contact any authorized Bmw Of North America, Llc dealer and reference NHTSA recall ID 21V598000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.