Engine complaints and recalls from NHTSA
Summary
The 2020 BMW M340i has 25 NHTSA engine complaints and 1 engine-related recall.
25
Complaints
1
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 10, 2026
21V598000
ENGINE
BMW 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 ...
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 27, 2026 | ENGINE | Oil pump failure |
| Mar 18, 2026 | ENGINE | I am reporting a safety concern involving BMW vehicles equipped with the B58 Technical Update (B58TU... |
| Mar 17, 2026 | ENGINE | EXHIBITING SIGNS OF NOT BEING ABLE TO READ OIL LEVELS WHICH IS A POTENTIAL SIGN OF OIL PUMP FAILURE ... |
| Mar 1, 2026 | ENGINE | I am reporting a safety concern involving BMW vehicles equipped with the B58 Technical Update (B58TU... |
| Feb 27, 2026 | ENGINE | Oil pump is made of plastic causing it to fail after a certain time and can lead to a total engine l... |
| Feb 27, 2026 | ENGINE | Oil Pump Failed its common issue on them but no recall |
| Dec 19, 2025 | ENGINE | Engine failed suddenly while driving on a highway. While driving at highway speed, warning lights an... |
| Dec 1, 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2020 BMW M340I. The contact stated that after an oil change was performed by an i... |
| Dec 1, 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2020 BMW M340I. The contact stated that upon starting the vehicle, the contact no... |
| Sep 9, 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2020 BMW M340I. The contact stated that while merging onto the highway and accele... |
| May 14, 2025 | ENGINE | I’ve been doing research for this particular issue on the 2020 bmw m340i (B58 engine). There is a pl... |
| Apr 17, 2025 | ENGINE | I cruised on a city street at the speed limit. The light turned red and I came to a full stop. The s... |
| Mar 17, 2025 | ENGINE | I am unable to read the oil level in my 2020 M340i. Upon checking the oil pressure, the oil pressure... |
| Mar 4, 2025 | ENGINE | Oil pump manufacturing fault. One of the internal components on the oil pump for these B58 engines c... |
| Feb 15, 2025 | ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM | The contact owns a 2020 BMW M340I. The contact stated that the vehicle was repaired under NHTSA Camp... |
| Dec 27, 2024 | ENGINE | Car will not measure oil past 20%. Seems like lots of 2020 models have a faulty production oil pump.... |
| Sep 7, 2024 | ENGINE | Oil level won’t read. Can cause engine issues. Car has no dipstick to check for oil |
| Mar 22, 2024 | ENGINE | Oil doesn’t read correctly Might be issue with oil pump |
| Mar 7, 2024 | ENGINE | Car was driving fine after a dealer oil change, then on a long road trip I get the error message "lo... |
| Dec 6, 2023 | ENGINE | Unable to read oil measurements Above 18% many 2020’s have a had a oil pump replacement |