2021 BMW 430I Problems, Complaints & Recalls

Source: NHTSA · Updated Apr 27, 2026 · 15 owner complaints analyzed

Compared with other 430I years
Far more complaints than other years 4th of 10 for complaints
NHTSA crash rating
Not rated

Owners have filed 15 complaints with NHTSA about the 2021 BMW 430I. That ranks 4th out of 10 430I model years for complaints. The most reported problem area is electrical system (6 complaints, 40%), typically at around 200 miles. There are 6 safety recalls covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2021 BMW 430I problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System6 · ~200 mi
Engine3
Seat Belts3 · ~13,000 mi
Power Train1 · ~33,000 mi
Tires1
Unknown or Other1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System640%200——
Engine320%———
Seat Belts320%13,000——
Power Train17%33,000——
Tires17%———
Unknown or Other17%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2026, with 7 complaints
2021: 2202122023: 1202312024: 2202422025: 3202532026: 720267

n = 15 complaints · Source: NHTSA

2021 BMW 430I recalls (6)

Tap a recall to see the problem, the risk and the fix.

Electrical system:starter assemblyJan 30, 2026 · NHTSA campaign 26V056000 · 87,394 vehicles

Problem: 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.

Fix: 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.

Electrical system:starter assembly:relayPark outsideSep 23, 2025 · NHTSA campaign 25V636000 · 199,674 vehicles

Problem: 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.

Fix: 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.

Electrical system:software; seat beltsAug 16, 2023 · NHTSA campaign 23V584000 · 144 vehicles

Problem: 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.

Fix: 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.

Seat beltsJul 21, 2021 · NHTSA campaign 21V554000 · 21,537 vehicles

Problem: 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.

Fix: 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).

Air bags:side/window:thorax; air bags:side/window:headMar 15, 2021 · NHTSA campaign 21V176000 · 1,850 vehicles

Problem: 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.

Fix: 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.

Back over prevention: sensing system: camera; back over prevention:softwareFeb 19, 2021 · NHTSA campaign 21V096000 · 13,858 vehicles

Problem: 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.

Fix: 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.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

The recall was issued more than 8 months ago but the remedy is still not yet available, which is very concerning as the problem may cause the event of fire even when the vehicle is parked. Issued SEP 23, 2025 Description of Problem It is possible for water to contact and enter the engine starter…

Engine · received Apr 27, 2026 · NHTSA complaint 11734108

The engine Unknown The problem was confirmed by BMW as they sent me a notice. Unknown Unknown

Engine · received Apr 4, 2026 · NHTSA complaint 11729210

I received a recall notice dated 9/23/2025. The recall is listed as URGENT safety issue that could cause a fire. The notice instructs not to drive the car or park in garage. It has been over 6 months now and there is still no fix. I am requesting the manufacture buyback my vehicle.

Electrical System · received Mar 16, 2026 · NHTSA complaint 11724645

The contact owns a 2021 BMW 430I. The contact stated that the front driver’s side seat belt chest strap was shredded. The contact was concerned that the seat belt would not safely secure the driver in a crash. The contact stated that the shredded seat belt strap might have been caused by the seat…

Seat Belts · received Mar 3, 2026 · NHTSA complaint 11721698

The contact called for the owner of the 2021 BMW 430I. The owner received notification of NHTSA Campaign Number: 25V636000 (Electrical System); however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded…

Electrical System · received Feb 4, 2026 · NHTSA complaint 11715568

Other BMW 430I years

← 2020 430I · 2022 430I →

See all BMW 430I problems by year, every BMW model, or the BMW VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 BMW 430I?

Owners most often report electrical system, engine, seat belts problems. The top one, electrical system, accounts for 6 complaints.

Was there a recall on the 2021 BMW 430I?

Yes, 6 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 BMW 430I a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other 430I model years, the 2021 has far more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.