Service bulletins for the 2023 BMW M340i
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
70 on file from NHTSA, as of 2026-10-19.
By type
By component
| B610120 | 2023-03-20. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained. |
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| B260422 | 2023-03-20. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature. |
| B841422 | 2023-01-30. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates). |
| B841222 | 2023-01-30. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BMW AG has issued a Delivery Stop (effective November 10, 2022) on a small number of Model Year 2023 BMW vehicles that were produced between August 8, 2022 and October 18, 2022. |
| B652422 | 2023-01-30. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. Visible white spots on the edge of the central information display (CID) from being touched with a finger. |
| B630822 | 2023-01-30. Service bulletin. STRUCTURE:BODY:DOOR. Uneven ambient lighting emission (bright spots/dark spots) on the door trim panel. |
| B512222 | 2023-01-30. Service bulletin. LATCHES/LOCKS/LINKAGES:HOOD:LATCH. Hood lever is pulled twice but the hood only achieves the pre-latch position on both sides. |
| B260422 | 2023-01-30. Service bulletin. ENGINE AND ENGINE COOLING. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32F (0C) or lower. |
| B240222 | 2023-01-30. Service bulletin. STRUCTURE. A cracking, metallic noise from under the center of the vehicle. |
| B651322 | 2022-10-31. Service bulletin. ELECTRICAL SYSTEM. After updating dealer owned vehicles to software 22-07-5XX, many current BMW customers and previous Demo users may receive emails stating that they are linked to BMW vehicles they do not own. Also, many users of the MyBMW app may find additional vehicles in their "My Garage" tab that they do not recognize. |
| B640921 | 2022-10-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. On these Plug-in Hybrid Electric Vehicles (PHEV), the air conditioning cycles from cold to warm air while driving or while at a standstill. A rattling noise may also be heard coming from the electrical coolant condenser (EKMV). |
| B640422 | 2022-10-31. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in the center of the instrument panel. |
| B630322 | 2022-10-31. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. When unlocking the vehicle, the welcome light in the headlight "lights up erratically." |
| B610120 | 2022-10-31. Service bulletin. ELECTRICAL SYSTEM. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained. |
| SIB650922 | 2022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. The sound output intermittently drops out entirely. This can be reproduced with all audio sources as well as telephone and voice output. |
| SIB640921 | 2022-08-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. On these Plug-in Hybrid Electric Vehicles (PHEV), the air conditioning cycles from cold to warm air while driving or while at a standstill. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F+; 3 to 15+ Celsius) without changing any climate control settings. A difference may be felt in cooling power compared from left to right. In some cases, the air conditioning may have stopped blowing cold air altogether. A rattling noise may also be heard coming from the electrical coolant condenser (EKMV). |
| SIB640521 | 2022-08-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. A rattling/droning noise is heard in the vehicle interior when the air conditioning (AC) is activated. Vibrations are felt in the driver's footwell. |
| SIB511318 | 2022-08-22. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Any or all of these conditions may be present: A. The exterior rearview mirror glass is discolored or cracked B. The power windows and folding mirrors may not operate C. One or more of the following LIN bus faults are stored in the BDC (Body Domain Controller): Faulty exterior rearview mirror electronics have created a short on the LIN bus, damaging the mirror glass and causing functional errors in power window and exterior mirror operation. |
| SIB510822 | 2022-08-22. Service bulletin. STRUCTURE. Whistling noise is heard coming from the front bumper while driving at highway speeds. |
| SIB360222 | 2022-08-22. Service bulletin. TIRES. Starting mid-May 2022, the QR code on the tite sidewalls of Pirelli tires has been omitted due to patent reasons. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.