Model year 2021 · BMW

2021 BMW Z4 recalls

NHTSA's recall file lists 5 safety recall campaigns for the 2021 BMW Z4 — 1 with a do-not-drive or park-outside advisory. The most recent was reported on January 30, 2026. Campaigns are matched by the model names in NHTSA's records: Z4.

NHTSA data through October 6, 2026 · How these pages are built

Campaigns at a glance

Recall campaigns for the 2021 BMW Z4, newest first
NHTSA number	Reported	Component
26V056000	January 30, 2026	Electrical System › Starter Assembly
25V636000	September 23, 2025	Electrical System › Starter Assembly › RelayPark outside
21V598000	August 2, 2021	Engine
21V554000	July 21, 2021	Seat Belts
20V700000	November 12, 2020	Fuel System, Gasoline › Storage › Tank Assembly

Systems involved: Electrical System (2) · Engine (1) · Fuel System, Gasoline (1) · Seat Belts (1)

Recall records

NHTSA 26V056000

Electrical System › Starter Assembly

Report received by NHTSA: January 30, 2026
Owner notification: March 27, 2026
Recall initiated by: Manufacturer
Units potentially affected: 87,394 (whole campaign)
Model names in the NHTSA record: Z4

Defect summary

BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.

Safety risk

Fire increases the risk of injury.

Remedy

Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.

Source: NHTSA recall 26V056000, filed by BMW of North America, LLC. View the campaign on NHTSA.gov

NHTSA 25V636000

Electrical System › Starter Assembly › Relay

Park outside advisory

Report received by NHTSA: September 23, 2025
Owner notification: February 6, 2026
Recall initiated by: Manufacturer
Units potentially affected: 199,674 (whole campaign)
Model names in the NHTSA record: Z4

Defect summary

BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.

Safety risk

A short circuit in the starter relay may increase the risk of a fire.

Remedy

Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov November 14, 2025.

Source: NHTSA recall 25V636000, filed by BMW of North America, LLC. View the campaign on NHTSA.gov

NHTSA 21V598000

Engine

Report received by NHTSA: August 2, 2021
Owner notification: September 17, 2021
Recall initiated by: Manufacturer
Units potentially affected: 50,024 (whole campaign)
Model names in the NHTSA record: Z4

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 risk

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 in the NHTSA record

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.

Source: NHTSA recall 21V598000, filed by BMW of North America, LLC. View the campaign on NHTSA.gov

NHTSA 21V554000

Seat Belts

Report received by NHTSA: July 21, 2021
Owner notification: September 3, 2021
Recall initiated by: Manufacturer
Units potentially affected: 21,537 (whole campaign)
Model names in the NHTSA record: Z4

Defect summary

BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Safety risk

During a crash, a seat belt retractor that does not function as intended increases the risk of injury.

Remedy

Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417; 1-866-825-1525 (MINI); 1-877-877-3735 (Rolls Royce); and 1-888-270-9371 (Toyota).

Notes in the NHTSA record

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.

Source: NHTSA recall 21V554000, filed by BMW of North America, LLC. View the campaign on NHTSA.gov

NHTSA 20V700000Manufacturer no. Toyota: 20TB16

Fuel System, Gasoline › Storage › Tank Assembly

Report received by NHTSA: November 12, 2020
Owner notification: December 18, 2020
Recall initiated by: Manufacturer
Units potentially affected: 49 (whole campaign)
Model names in the NHTSA record: Z4

Defect summary

BMW of North America, LLC (BMW) is recalling certain 2020-2021 Z4 and 2020-2021 Toyota Supra vehicles. The weld between the fuel tank halves may have been insufficiently welded, causing the weld to fail.

Safety risk

The failed weld may allow fuel to leak, increasing the risk of a fire in the presence of an ignition source.

Remedy

BMW will notify owners, and dealers will replace the fuel tank, free of charge. The recall began December 18, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.

Notes in the NHTSA record

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.safercar.gov.

Source: NHTSA recall 20V700000, filed by BMW of North America, LLC. View the campaign on NHTSA.gov

Records reproduce NHTSA's published text for each campaign. Last record date for this page: February 2, 2026.