2021 BMW Z4 — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
5
Recalls
6
Service Bulletins
0
Investigations
Overview of the 2021 BMW Z4
The 2021 BMW Z4 has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 7 recall campaigns affecting this vehicle, covering issues with ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY, ENGINE, SEAT BELTS. 6 technical service bulletins have been issued by BMW of North America, LLC for this model year.
Recalls for the 2021 BMW Z4
NHTSA has recorded 7 recalls for the 2021 BMW Z4, potentially affecting up to 401,752 vehicles.
Recall 25V636000 — ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
| 199,674 vehicles affected
Defect: 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.
Consequence: 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...
View full details →Recall 21V598000 — ENGINE
| 50,024 vehicles affected
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.
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.
View full details →Recall 21V554000 — SEAT BELTS
| 21,537 vehicles affected
Defect: 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,...
Consequence: 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...
View full details →Recall 21V554000 — SEAT BELTS
| 21,537 vehicles affected
Defect: 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,...
Consequence: 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...
View full details →Recall 21V554000 — SEAT BELTS
| 21,537 vehicles affected
Defect: 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,...
Consequence: 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...
View full details →Recall 20V700000 — FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
| 49 vehicles affected
Defect: 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.
Consequence: 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.
View full details →Recall 26V056000 — ELECTRICAL SYSTEM:STARTER ASSEMBLY
| 87,394 vehicles affected
Defect: 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...
Consequence: Fire increases the risk of injury.
Remedy: Dealers will replace the engine starter, free of charge. Owner notification letters are expected to be mailed March 24, 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...
View full details →Owner Complaints for the 2021 BMW Z4
No complaints have been filed with NHTSA for the 2021 BMW Z4.
Safety Rating for the 2021 BMW Z4
NHTSA has not yet tested the 2021 BMW Z4 in its New Car Assessment Program.
Technical Service Bulletins for the 2021 BMW Z4
BMW of North America, LLC has issued 6 technical service bulletins (TSBs) for the 2021 BMW Z4. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
B650422 — EQUIPMENT
Due to component-related supply issues, the central information displays (CID) in some of the Model Year 2022 vehicles listed above were produced without the integrated touch screen function.
B652021 — ELECTRICAL SYSTEM:SOFTWARE
BMW AG has issued a Delivery Stop (effective October 25, 2021) on certain Model Year 2022 BMW vehicles that were produced after October 25, 2021. Due to supply chain limitations, certain vehicles were produced without a CID with touch function and without Reversing Assistant.
B611621 — ELECTRICAL SYSTEM:SOFTWARE
The "energy management" Check control message (ID code 415) is falsely displayed when entering the vehicle.
B651621 — EQUIPMENT:ELECTRICAL
Navigation announcement is very loud when the convertible top is open and can not be adjusted to a lower volume.
B650521 — AIR BAGS
WHIRRING NOISES FROM THE STEERING WHEEL . When driving over rough road surfaces/cobblestones, there is a whirring/squeaking noise coming from the steering wheel-mounted air bag assembly.
B520721 — ELECTRICAL SYSTEM:WIRING
ROUTING OF DRIVER'S SEAT WIRING HARNESS: The seat wiring harness on the left front area of the driver's seat of the affected vehicles may have been routed incorrectly.
NHTSA Investigations for the 2021 BMW Z4
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the BMW Z4
- 2016 BMW Z4 — 5 complaints
- 2019 BMW Z4 — 7 complaints
- 2020 BMW Z4 — 8 complaints
- 2021 BMW Z4 (current)
- 2022 BMW Z4 — 2 complaints
- 2023 BMW Z4 — 0 complaints