2021 BMW 3 Series: reliability, problems and cost to own
FairBelow average
It scores 28 out of 100 for reliability compared with other luxury cars and SUVs. Over the next 5 years we expect it to cost about $19,288 to own, including $5,978 in repairs.
Early estimate: this rating uses our own sales estimate for the BMW 3 Series.
These are estimates, not guarantees. They come from public NHTSA complaint and recall data and EPA fuel economy, assuming 5 years of ownership and 12,000 miles a year. Change the assumptions or see how it works.
Where repair money is likely to go
Engine & cooling$3,828
Transmission & drivetrain$698
Electrical system$525
Body, glass & interior$279
Driver-assist & stability$205
Steering$99
Expected over 5 years, by area of the car.
Recalls
Electrical System › Starter AssemblyJan 31, 2026 · campaign 26V056000
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 star
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.
Seat BeltsAug 16, 2023 · campaign 23V584000
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
SeatsMar 29, 2023 · campaign 23V211000
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.
Seat BeltsJul 21, 2021 · campaign 21V554000
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, M
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.
Back Over Prevention › Sensing System › CameraFeb 19, 2021 · campaign 21V096000
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,
Electrical System › 12V/24V/48V BatteryDec 9, 2020 · campaign 20V761000
BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, X6 sDrive40i, X6 xDrive40i, and X7 xDrive40i vehicles. The connection between the 48-Volt battery and the starter-generator may not have been assembled properly, which can cause i
Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.
Not especially. It scores 28 out of 100, below average for luxury cars and SUVs; the 2022 and 2023 scored better.
Is the 2021 BMW 3 Series reliable?
It scores 28 out of 100 against other luxury cars and SUVs from 2015 to 2024, which is below average. Based on 40 owner complaints filed with NHTSA, we expect about $5,978 in repairs over the next 5 years at 12,000 miles a year.
How much does a 2021 BMW 3 Series cost to own?
About $19,288 over 5 years: $6,510 in lost value, $5,978 in repairs and $6,800 in fuel at $3.40 a gallon. A typical one sells for about $20,159 today.
What are the best years of the BMW 3 Series?
Of the years we rate, the 2022 scores best (63/100) and the 2015 worst (6/100).