2020 Bmw M340i problems and recalls

71% of owner complaints on the 2020 Bmw M340i related to the Engine (37 of 52).

52
Complaints
10
Recalls
0
Crash reports
0
Fire reports
0
Injuries
40.1
Severity index

Severity index 40.1 Low. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 40.1p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 84 of 103 by severity index among 2020 vehicles with at least 40 complaints, highest first. 18% of those vehicles scored lower. Full 2020 ranking.

Components cited in complaints

EngineEngine: 37 complaints (71.2%)37 71%Unknown Or OtherUnknown Or Other: 9 complaints (17.3%)9 17%Electrical SystemElectrical System: 6 complaints (11.5%)6 12%Engine And Engine Cooli…Engine And Engine Cooling: 4 complaints (7.7%)4 8%Fuel/Propulsion SystemFuel/Propulsion System: 3 complaints (5.8%)3 6%Power TrainPower Train: 2 complaints (3.8%)2 4%TiresTires: 2 complaints (3.8%)2 4%WheelsWheels: 1 complaints (1.9%)1 2%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE3771.2%
UNKNOWN OR OTHER917.3%
ELECTRICAL SYSTEM611.5%
ENGINE AND ENGINE COOLING47.7%
FUEL/PROPULSION SYSTEM35.8%
POWER TRAIN23.8%
TIRES23.8%
WHEELS11.9%

Complaints filed per year

010192020: 32021: 12023: 92024: 82025: 122026: 19 (partial year)20212324252619
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20203
20211
20239
20248
202512
2026 (year to date)19
Filings in 2023 to 2025 ran 7.2x those in 2020 to 2021 (29 against 4).

Recall campaigns

CampaignReportedComponentSummary
19V60000014/08/2019SEATSBMW of North America, LLC (BMW) is recalling one 2020 M340i and one M340i xDrive vehicle. Due to improper welding, the rear center headrest may fold in the event of a rear impact crash.
21V09600019/02/2021BACK OVER PREVENTION: SENSING SYSTEM: CAMERABMW 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 xDr
19V68400027/09/2019BACK OVER PREVENTION: SENSING SYSTEM: CAMERABMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li
19V75500023/10/2019STRUCTURE:BODY:TRUNK LIDBMW of North America, LLC (BMW) is recalling certain 2020 330i, 330i xDrive and M340i vehicles. The interior trunk release cable may have been improperly installed, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements
20V16400019/03/2020SEAT BELTS:FRONT:BUCKLE ASSEMBLYBMW of North America, LLC (BMW) is recalling certain 2020 X3 xDrive30e, X4 xDrive30i, X4 M40i, X4M, 330i, 330i xDrive, M340i, 840i Gran Coupe, 840i xDrive Gran Coupe, M850i xDrive Gran Coupe, M8 Gran Coupe, X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and 840i xDrive Convertible veh
20V35500015/06/2020STEERING:LINKAGES:TIE ROD ASSEMBLYBMW of North America, LLC (BMW) is recalling certain 2019 Z4 sDrive30i, 2019-2020 330i xDrive, M340i and M340i xDrive, 2020 X3M and X4M, and Toyota Supra vehicles. In certain driving conditions, such as high temperatures and rough road surfaces, a steering gear tie rod may becom
21V59800002/08/2021ENGINEBMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assis
23V21100029/03/2023SEATSBMW 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.
23V58400016/08/2023SEAT BELTSBMW 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
24V57600001/08/2024ELECTRICAL SYSTEM:STARTER ASSEMBLYBMW of North America, LLC is recalling certain 2019-2020 X5, X7, 2020 3 Series Sedan, X6, 2020-2021 7 Series Sedan, 2020 8 Series Convertible, 8 Series Coupe, and 2020 8 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. In the event the s
Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-09-06. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.