2021 BMW 330I Problems, Complaints & Recalls
- Compared with other 330I years
- Fewer complaints than other years 10th of 23 for complaints
- Safety recalls
- 7 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 29 complaints with NHTSA about the 2021 BMW 330I. That ranks 10th out of 23 330I model years for complaints. The most reported problem area is electrical system (13 complaints, 45%), typically at around 33,672 miles. Complaints mention 1 crash, 3 fires, 1 injury. There are 7 safety recalls covering this model year.
- 29owner complaints
- 7safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2021 BMW 330I problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 13 | 45% | 33,672 | — | — |
| Engine | 8 | 28% | 33,672 | — | — |
| Unknown or Other | 5 | 17% | — | — | — |
| Air Bags | 4 | 14% | 30,868 | — | — |
| Forward Collision Avoidance | 3 | 10% | — | — | — |
| Lane Departure | 2 | 7% | — | — | — |
| Suspension | 2 | 7% | — | — | — |
| Engine and Engine Cooling | 1 | 3% | 30,000 | — | — |
| Power Train | 1 | 3% | — | — | — |
| Service Brakes | 1 | 3% | — | — | — |
| Structure | 1 | 3% | — | — | — |
| Visibility/wiper | 1 | 3% | — | — | — |
| Wheels | 1 | 3% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2021 BMW 330I recalls (7)
Tap a recall to see the problem, the risk and the fix.
Electrical system:starter assembly
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 outside
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 belts
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.
Seats
Problem: BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.
Risk: An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
Fix: Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.
Seat belts
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).
Seat belts:front:buckle assembly
Problem: 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.
Back over prevention: sensing system: camera; back over prevention:software
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 contact owns a 2021 BMW 330I. The contact stated that while entering the vehicle, there was an audible alert heard, and a red air bag light was displayed on the instrument panel. The vehicle was taken to the dealer, where it was diagnosed with a failure in the driverâs side knee air bags. The…
25V-636 This has been unresolved for 6 months with no sign of a fix. Itâs a starter motor, not the space shuttle.
I am submitting a claim pertaining to NHTSA Recall Number 25V636000 which pertains to a engine starter issue that can result in fire. This recall was reported first on September 23, 2025 and has been gone without a remedy. Since as of today, it has been 212 days without a solution that I am driving…
The contact owned a 2021 BMW 330i. The contact received notification of NHTSA Campaign Number: 26V056000 (Electrical System); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The contact…
I phoned BMW today for an update on this recall. After 6 months, Manufacturer still does not have a fix or repair for your recall 25V636000 and no solution date. This is completely unacceptable.
Other BMW 330I years
| Year | Complaints | Recalls |
|---|---|---|
| 2026 330I | 1 | 0 |
| 2025 330I | 5 | 1 |
| 2024 330I | 5 | 2 |
| 2023 330I | 4 | 2 |
| 2022 330I | 6 | 3 |
| 2021 | 29 | 7 |
| 2020 330I | 53 | 11 |
| 2019 330I | 41 | 9 |
| 2018 330I | 32 | 1 |
| 2017 330I | 41 | 0 |
| 2011 330I | 0 | 3 |
| 2010 330I | 0 | 3 |
| 2009 330I | 0 | 3 |
| 2008 330I | 0 | 3 |
| 2007 330I | 0 | 3 |
| 2006 330I | 219 | 7 |
| 2005 330I | 28 | 4 |
| 2004 330I | 113 | 4 |
| 2003 330I | 77 | 6 |
| 2002 330I | 45 | 6 |
| 2001 330I | 116 | 7 |
| 2000 330I | 0 | 3 |
| 1999 330I | 0 | 2 |
See all BMW 330I 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 330I?
Owners most often report electrical system, engine, unknown or other problems. The top one, electrical system, accounts for 13 complaints.
Was there a recall on the 2021 BMW 330I?
Yes, 7 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2021 BMW 330I a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other 330I model years, the 2021 has fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.