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2021 BMW M3 problems, recalls and owner complaints
What the 2021 BMW M3 has been recalled for and what owners report, from official government data. Updated October 25, 2026.
- 3safety recalls
- 3owner complaints
- 0crash reports
- 0fire reports
- 0injuries reported
3 complaints, against an average of 6 for the other 6 BMW M3 model years.
Every BMW M3 model year with its number of owner complaints. Pick a year to compare.
What goes wrong with the 2021 BMW M3?
The components named most often in the 3 owner complaints. One complaint can name several, so the shares can add up to more than 100%.
Has the 2021 BMW M3 been recalled?
3 U.S. safety recalls. Repairs are free at a franchised dealer; some are done over the air.
Seat Belts 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).
Seat Belts: Front: Buckle Assembly BMW of North America, LLC (BMW) is recalling certain 2021 330i, 330i xDrive, M340i, M3, and 330e xDrive vehicles. The bolt securing the seat belt assembly to the frame was not tightened to specification.
Risk: An improperly installed seat belt assembly may not restrain an occupant as expected, increasing the risk of injury.
Fix: BMW will notify owners, and dealers will inspect the front seat belt buckle assembly connection and, if necessary, replace it, free of charge. Owner notification letters were mailed on June 25, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Service Brakes, Hydraulic BMW of North America, LLC (BMW) is recalling certain 2020-2021 8 Series Coupe, Grand Coupe and convertible 840i, 840i xDrive, M850i xDrive, M8 and 740 Li, 740 Li xDrive, 750 Li xDrive, M760 Li xDrive, X6 sDrive40i, X6 xDrive40i, X6 xdrive50i, X6 M50i, X6M, and 2019-2021 X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5 M50i, X5M, X7 xDrive40i, X7 xDrive50i, X7 M50i, and 2021 M3, M3 Competition, M4 Coupe, M4 Competition Coupe, X5 xDrive45e, 745 Le xDrive. The rotor and shaft within the integrated brake system may not have been welded properly and could separate during a hard braking event, possibly resulting in a loss of the Antilock Brake System (ABS) and braking assistance.
Risk: A loss of ABS and a reduction in braking assistance can increase the risk of a crash.
Fix: BMW will notify owners, and dealers will replace the integrated brake system, free of charge. Owner notification letters were mailed on May 25, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Is the 2021 BMW M3 recalled in the UK or Europe?
Recalls issued by the UK's DVSA and through the EU's Safety Gate system that cover this model and build period. European models can differ from U.S. ones, and "years estimated" means the recall gave no build dates, so confirm your own car with your registration or VIN.
UK DVSAIt is possible a screw of mechatronics transmission control may be missing
Risk: It is possible that a screw of mechatronics transmission control may be missing.
Fix: The mechatronics unit will be replaced inside the transmission
UK DVSAThe screw connection of the front seat belt buckle assembly to the seat frame may not be tightened properly
Risk: The screw connection of the front seat belt buckle assembly to the seat frame may not be tightened properly.
Fix: On affected vehicles the screw connection of the lower belt of the front seats will be checked and if necessary reworked.
EU Safety GateThe abdominal strap (safety-belt buckle) may not have been correctly screwed.This could affect the restraining capacity of the safety-belt and increase the risk of injury in the event of an accident.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: 21/04/2021
EU Safety GateDefective hydraulic unit of the braking system may cause a limited braking support and increased braking distance.Moreover, in such cases the ABS system would not be available. This will lead to increased risk of an accident.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
What do 2021 BMW M3 owners report?
3 of the 3 complaints, the most recent for the most-reported components, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.
Sunroof shattered while driving, no impact from outside.
Loud clunking and creaking noise from front suspension when driving on uneven or bumpy road surfaces.
Unknown. I was driving home when I get a message stating “passenger restraint system malfunction”
2021 BMW M3: questions owners ask
Is the 2021 BMW M3 reliable?
NHTSA data alone cannot rate reliability, but it shows what owners reported. Owners filed 3 complaints with NHTSA about the 2021 BMW M3; the most common categories were air bags (1, 33.3%), seat belts (1, 33.3%), steering (1, 33.3%). There are 3 safety recalls.
What are the most common problems with the 2021 BMW M3?
Across 3 owner complaints filed with NHTSA, the categories mentioned most often are air bags (33.3% of complaints), seat belts (33.3% of complaints), steering (33.3% of complaints), suspension (33.3% of complaints). One complaint can name several components.
Does the 2021 BMW M3 have any recalls?
Yes. NHTSA lists 3 recalls for the 2021 BMW M3; the most recent (campaign 21V554000, 2021-07-21) concerns Seat Belts. Recall repairs are free at a franchised dealer; check your VIN at nhtsa.gov/recalls.
Check your own M3
Counts are a starting point, not a verdict: popular models collect more complaints because more of them are on the road, and NHTSA does not verify individual reports. To see whether a recall is still open on your car, enter your VIN at nhtsa.gov/recalls (U.S.) or your registration at check-vehicle-recalls.service.gov.uk (UK). Had a safety problem? Report it to NHTSA; complaints are what trigger investigations and recalls.
Data: NHTSA Office of Defects Investigation recall and complaint databases (public domain), DVSA vehicle recalls (Open Government Licence v3.0), EU Safety Gate alerts (© European Union), retrieved October 25, 2026. Model year 2021 only.