Is the 2021 BMW 330I reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2021 BMW 330I?

The most-reported component is electrical system, accounting for 45% of complaints on file.

How many recalls does the 2021 BMW 330I have?

7 recalls on file for this model year.

2021 BMW 330I

○ Not enough data

2021 BMW 330I
RENDERED 2026-11-01T14:44:03.182Z

Only 29 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 29 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

Complaints: 29
Recalls: 7
Investigations: 0
Top problem: —

Complaints per year

2021: 29 complaints

View as data table

Year	Complaints
1999	0
2000	0
2001	116
2002	45
2003	77
2004	113
2005	28
2006	219
2007	0
2008	0
2009	0
2010	0
2011	0
2017	42
2018	32
2019	41
2020	53
2021	29
2022	6
2023	4
2024	6
2025	6
2026	1

Known problem areas

Only 29 complaints on file for this model year — too few to rank by share. Raw counts only, below.

Electrical system

13 of 29 total reports mention: electrical system.

FIRE

Show complaint excerpts

Engine Wiring is made of Soy products with attracts Rodents to feed and destroy the wiring.

NHTSA ODI report, 2022-02-18

Also filed under Engine

Engine

8 of 29 total reports mention: engine.

FIRE

Air bags

4 of 29 total reports mention: air bags.

CRASHINJURY

Show complaint excerpts

Going into a parking spot. Applied brakes, then the car did not brake, then it accelerated hitting a Jeep and finally stopped when the driver side front hit a parking barrier and then the air bags deployed.

NHTSA ODI report, 2025-01-01

Also filed under Forward collision avoidance and service brakes

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.

NHTSA ODI report, 2026-07-17

Forward collision avoidance

4 of 29 total reports mention: forward collision avoidance, most commonly citing warnings and automatic emergency braking.

CRASHINJURY

Suspension

2 of 29 total reports mention: suspension.

Safety timeline

7 recalls · 0 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

R

2021-04-16Back over prevention21V096000 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,...

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.

Check if this car was fixed →
R

2021-06-25Seat belts21V298000 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.

Remedy: 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.

Check if this car was fixed →
R

2021-09-03Seat belts21V554000 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),...

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.

Check if this car was fixed →
R

2023-05-22Seats23V211000 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.

Remedy: 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.

Check if this car was fixed →
R

2023-10-12Electrical system, seat belts23V584000 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.

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.

Check if this car was fixed →
R

2026-02-06Electrical system25V636000 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.

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.

Check if this car was fixed →
R

2026-03-27Electrical system26V056000 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...

Remedy: Dealers will replace the engine starter, free of charge. A letter informing owners of the safety risk was mailed on March 27, 2026. Owners will receive another letter once the remedy is available.

Check if this car was fixed →

Buy-smart checklist

2021 BMW 330I — pre-purchase inspection

Inspect

Electrical system: 13 reports on file for this year.
Engine: 8 reports on file for this year.
Air bags: 4 reports on file for this year.

Verify these recalls were completed

Recall 21V096000 · Back over prevention
Recall 21V298000 · Seat belts
Recall 21V554000 · Seat belts
Recall 23V211000 · Seats
Recall 23V584000 · Electrical system, seat belts
Recall 25V636000 · Electrical system
Recall 26V056000 · Electrical system

Other years of this model

See all years ranked →

Best years3 years

Worst years3 years

FAQ

Is the 2021 BMW 330I reliable?: There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2021 BMW 330I?: The most-reported component is electrical system, accounting for 45% of complaints on file.
How many recalls does the 2021 BMW 330I have?: 7 recalls on file for this model year.

Data updated 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.