Representative model. Photo: Charles from Port Chester, New York, Wikimedia Commons, CC BY 2.0

Recalls & complaints · NHTSA data

2021 BMW 4 Series recalls

Every recall campaign and owner complaint NHTSA has on file for the 2021 model year. Not every vehicle is affected by every campaign: check a specific car by VIN below.

Recall campaigns: 7
Park-it warnings: 1
Complaints: 21
Latest campaign: Jan 30, 2026

Recall summary by component7

NHTSA Recalls API · cached ≤24 h

Component	Campaigns	Park‑it	Latest	Campaign IDs
Electrical system	3	1	Jan 30, 2026	26V056000 25V636000 20V761000
Seat belts	2	–	Aug 16, 2023	23V584000 21V554000
Air bags	1	–	Mar 15, 2021	21V176000
Back over prevention	1	–	Feb 19, 2021	21V096000

Safety recalls7

NHTSA Recalls API · cached ≤24 h

1Park-it warnings

0Fixable over the air

Jan 30, 2026Latest campaign


Jan 30, 202626V056000	Electrical system: starter assembly Fire increases the risk of injury. DetailsHide details for campaign 26V056000 What's wrong 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. 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. Filed under 430i Campaign NHTSA 26V056000 · Jan 30, 2026
Sep 23, 202525V636000	Electrical system: starter assembly relay A short circuit in the starter relay may increase the risk of a fire. Park outside, away from structures DetailsHide details for campaign 25V636000 What's wrong 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. 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. Filed under 430i, 430i Convertible Campaign NHTSA 25V636000 · Sep 23, 2025
Aug 16, 202323V584000	Seat belts An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash. DetailsHide details for campaign 23V584000 What's wrong BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles. The receiver audio module control unit software may fail to properly generate audible seat belt warnings to the driver to fasten their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection." Risk An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash. Remedy Dealers will update the receiver audio module software, free of charge. Owner notification letters were mailed October 12, 2023. Owners may contact BMW customer service at 1-800-525-7417. Filed under 430i, M440i Campaign NHTSA 23V584000 · Aug 16, 2023
Jul 21, 202121V554000	Seat belts During a crash, a seat belt retractor that does not function as intended increases the risk of injury. DetailsHide details for campaign 21V554000 What's wrong 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." 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). Filed under 430i, M440i Campaign NHTSA 21V554000 · Jul 21, 2021
Mar 15, 202121V176000	Air bags: side/window thorax An air bag that deploys incorrectly can increase the risk of injury in a crash. DetailsHide details for campaign 21V176000 What's wrong BMW of North America, LLC (BMW) is recalling certain 2021 430i and M440i 4 Series Convertible vehicles. In certain side-impact crashes, the head-thorax air bag may not deploy as intended. Risk An air bag that deploys incorrectly can increase the risk of injury in a crash. Remedy Dealers will update the software, at no charge. All affected vehicles are still in dealer inventory, and therefore no owner letters will be mailed. The recall began March 9, 2021. Owners may contact BMW customer service at 1-800-525-7417. Filed under 430i, M440i Campaign NHTSA 21V176000 · Mar 15, 2021
Feb 19, 202121V096000	Back over prevention: sensing system camera If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury. DetailsHide details for campaign 21V096000 What's wrong BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles. When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility." Risk If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury. Remedy BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417. Filed under 430i, M440i Campaign NHTSA 21V096000 · Feb 19, 2021

Merged from NHTSA model names: 430i, 430i Convertible, M440i. Not every vehicle of a model year is affected by every campaign.

To see whether a recall is still open on your car, enter the VIN at nhtsa.gov/recalls or the BMW recall lookup. Recall repairs are free at a franchised dealer (federal law; see limits).

Buying a used 2021 BMW 4 Series? Recalls cover the model; a history report checks one car's title, odometer and accident records. VinAudit history report → Sponsored · disclosure

Owner complaints by component21

NHTSA Complaints API · cached ≤24 h

21Complaints filed

1Involving a crash

1Involving a fire

2Injuries reported

Component	Complaints	%	Crashes	Fires	Injuries
Electrical system	7	33	0	0	0
Engine	5	24	0	1	0
Seat belts	4	19	0	0	0
Unknown or other	2	10	0	0	0
Power train	2	10	0	0	0
Tires	1	5	0	0	0
Seats	1	5	0	0	0
Forward collision avoidance	1	5	0	0	0
Service brakes	1	5	1	0	2

An owner can tag several components, so percentages add up to more than 100. Complaints are unverified owner reports, de-duplicated by NHTSA ODI number, merged from NHTSA model names 4 Series, M440I.

Latest reports

Power train
“BMW dealer noted "clunk on accel" at 57,152 miles on RO #224018 under engine mounts. Dealer quoted $3,463.38 for engine mounts. I declined repair. Clunk on acceleration is still present at 60,700 miles.”
Filed 10/15/2026 · ODI 11771285
Electrical system
“The engine starter motor system failed, specifically involving an intermittent no-start condition related to a pinion starter line break / internal component defect.”
Filed 10/09/2026 · ODI 11770073
Seat belts
“I am seeing a lot of concerns regarding the seatbelt extenders, the buckle end pretensioner, seat wiring harness and the yellow box connectors that are where the main power and air bag SRS connections sit under the…”
Filed 07/28/2026 · ODI 11753304

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2021 BMW 4 Series recall questions

How many recalls does the 2021 BMW 4 Series have?

NHTSA lists 7 safety recall campaigns for the 2021 BMW 4 Series. The most recent, 26V056000 (reported January 30, 2026), concerns electrical system. 1 campaign carries a park-it or park-outside warning. Not every vehicle is covered by every campaign; check a specific car by VIN.

What are the 2021 BMW 4 Series recalls for?

The largest group is electrical system, with 3 campaigns. Others: seat belts (2), air bags (1), back over prevention (1). Each campaign below lists the defect, the risk and the free remedy.

What is the most common complaint about the 2021 BMW 4 Series?

Electrical system is the most-reported component, named in 7 complaints out of 21 filed with NHTSA (33%). Across all complaints, owners reported 1 crash and 1 fire. Complaints are unverified owner reports.

How do I check if a recall is open on my 2021 BMW 4 Series?

Enter the 17-character VIN at nhtsa.gov/recalls or the BMW recall lookup. That shows campaigns still unrepaired on that exact car. Safety recall repairs are free at a franchised BMW dealer.

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