2021 BMW Z4: recalls and complaints
NHTSA advisory: park outsideCampaign 25V636000. NHTSA received the report on . 199,674 units. Electrical System / Starter Assembly / Relay
Remedy of campaign 25V636000, in the NHTSA record
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.
Park-outside advisory: A mark on a recall campaign in the NHTSA recall file. This site shows the mark as NHTSA sets it.
NHTSA lists 5 recall campaigns for the 2021 BMW Z4. The newest campaign is 26V056000. NHTSA received the report on 30 Jan 2026. The NHTSA record gives the component Electrical System / Starter Assembly. NHTSA has no complaint on file for this model year.
This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.
Remedy of the newest campaign, 26V056000, in the NHTSA record
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.
Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .
Since the last update
No tracked figure of this page changed in a data update. What the log tracks
Recall campaigns
5 campaigns, newest first. 358,678 units in total.
- 26V056000Electrical System / Starter Assembly
- 25V636000Electrical System / Starter Assembly / RelayAdvisory
- 21V598000Engine
- 21V554000Seat Belts
- 20V700000Fuel System, Gasoline / Storage / Tank Assembly
26V056000Received . 87,394 units.
Electrical System / Starter Assembly
- Defect, in the NHTSA record
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.
- Consequence, in the NHTSA record
Fire increases the risk of injury.
- Remedy, in the NHTSA record
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.
Report filed by BMW of North America, LLC. Owner notification date in the NHTSA record: .
25V636000Received . 199,674 units.
Electrical System / Starter Assembly / RelayPark-outside advisory
- Defect, in the NHTSA record
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, in the NHTSA record
A short circuit in the starter relay may increase the risk of a fire.
- Remedy, in the NHTSA record
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.
Report filed by BMW of North America, LLC. Owner notification date in the NHTSA record: .
21V598000Received . 50,024 units.
Engine
- Defect, in the NHTSA record
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, in the NHTSA record
Loss of braking assist can increase the risk of a crash.
- Remedy, in the NHTSA record
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.
Report filed by BMW of North America, LLC. Owner notification date in the NHTSA record: .
21V554000Received . 21,537 units.
Seat Belts
- Defect, in the NHTSA record
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."
- Consequence, in the NHTSA record
During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
- Remedy, in the NHTSA record
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).
Report filed by BMW of North America, LLC. Owner notification date in the NHTSA record: .
20V700000Received . 49 units.
Fuel System, Gasoline / Storage / Tank Assembly
- Defect, in the NHTSA record
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, in the NHTSA record
The failed weld may allow fuel to leak, increasing the risk of a fire in the presence of an ignition source.
- Remedy, in the NHTSA record
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.
Report filed by BMW of North America, LLC. Manufacturer campaign number Toyota: 20TB16. Owner notification date in the NHTSA record: .
The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.
Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.
Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.
Complaints by component
The NHTSA complaint file has no complaint for this model year.
Investigations
The NHTSA investigation file has no investigation that names this model year.
Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.
Other model years
The number under each year is the number of recall campaigns.
Official channels
- NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
- NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
- NHTSA page of the 2021 BMW Z4The recalls, the complaints and the investigations that NHTSA shows for this model year.
Cite this page
Recall Register. 2021 BMW Z4: recalls and complaints. https://recallregister.com/vehicle/bmw/z4/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .
Sources
- Source
- NHTSA Office of Defects Investigation
- Licence
- US government work, public domain
- Recall file through
- 29 Sep 2026
- Complaint file through
- 29 Mar 2018
- First complaint in the file
- 1 Jan 1995
- Manufacturer in the recall file
- BMW of North America, LLC
The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.
Questions
- How many units are in the recall campaigns for the 2021 BMW Z4?
- 358,678 units in 5 campaigns. A campaign can name other models and model years, and its units include them.
- How many recall campaigns does the BMW Z4 have for all model years?
- NHTSA lists 28 recall campaigns for the BMW Z4, model years 2002 to 2023. 5 of them name the 2021 model year.
- Is an NHTSA investigation of the 2021 BMW Z4 open?
- The NHTSA investigation file has no investigation that names this model year.