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Service bulletins for the 2020 BMW 330i

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.

306 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
B6101202023-03-20. 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.
B6101202023-01-03. 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.
B6520222022-12-19. Service bulletin. LANE DEPARTURE; AIR BAGS; ELECTRICAL SYSTEM. A check control message for the restraint system appears. In the instrument cluster, the red air bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: short circuit to negative terminal 93094F - Knee airbag, front passenger: short circuit to negative terminal 93094C - Knee airbag driver's side: Resistance too great 930952 - Knee airbag, front passenger: Resistance too great.
B6203222022-12-12. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. After programming, the customer may complain that the Sport Mode display is not fully displayed in the instrument cluster. Instead of a red background in sport mode, the background is displayed in blue (like ECO PRO mode).
B6101202022-12-12. 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.
B6409212022-10-31. 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).
B6101202022-10-31. 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.
SIB6624192022-08-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected.
SIB6409212022-08-22. 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).
SIB0901212022-07-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. The new ISTA Version is also able to be used in case of a Remote Software Upgrade (RSU) programming failure to get the customer car reprogrammed on site. In case of a Remote Software Upgrade failure, the engine start is prevented for safety reasons until the vehicle is programmed correctly. Most of the errors occur when only one control unit fails to program correctly.
SIB6608202022-07-05. Service bulletin. ELECTRICAL SYSTEM:ADAS. The functionality of the right rear SRR sensor could be reduced which would display the "Driving Assistance" Check Control Message.
SIB6513122022-07-05. Service bulletin. ELECTRICAL SYSTEM. The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 4 (HU-H4, also called MGU21) superseded the MGU starting with certain MY2021 vehicles with option code 6U3 Live Cockpit Professional. This uses map North America JOY. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO (HU-B2) replaced Entry Media/Navigation as the low-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY.
SIB6102222022-07-05. Service bulletin. ELECTRICAL SYSTEM. BMW AG is conducting a Voluntary Service Action on certain Model Year 2019-2020 BMW Plug-In HybridElectric (PHEV) vehicles that were produced between March 25, 2019, and October 17, 2020. Analyses of transmitted teleservice data indicate abnormalities in the "balancing" of the cells within one or more of the high-voltage battery cell modules. This could possibly cause a loss of performance of the corresponding modules, such as faster ageing, shorter range, or possible operating failure.
SIB6409212022-06-21. Service bulletin. 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 (38F to 60F +; 3 to 15 + Celsius) without changing any climate control settings.
B6202222022-05-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Sport mode is not displayed correctly in the instrument cluster. Instead of a red background in sport mode, the background is displayed in blue (like in Eco Pro mode). Software in the instrument cluster (Kombi).
B6107222022-05-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Check Control message (CCM) displays "Vehicle key missing" after engine start.
B6512212022-05-31. Service bulletin. ELECTRICAL SYSTEM. BMW AG has issued a Delivery Stop (effective June 9, 2021) on certain Model Year 2021 BMW vehicles that were produced between May 7, 2021 and May 21, 2021. The Receiver Audio Module (RAM) will need to be added to the affected vehicles.
B8402222022-05-16. Service bulletin. EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM:SOFTWARE. The customer finds an indication in the â??myBMWâ? app that the tires need service due to wear. Even after replacing the tires, the tire service indicator is still present in the myBMW app.
B8409172022-01-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. While using the wireless charger, one or both of the following may occur: 1) The BMW display key or mobile phone becomes hot to the touch. 2) The device switches off due to over temperature (built-in device protection).
B8406212022-01-24. Service bulletin. EQUIPMENT; COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. The SIM card installed in the telematics control unit (ATM2) connects to different mobile providers' networks. However, due to a missing parameter, this does not work and can cause disruption in BMW ConnectedDrive services in areas with insufficient network coverage.
B6624192022-01-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE; STEERING. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
B6520212022-01-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. BMW AG has issued a Delivery Stop (effective October 25, 2021) on certain Model Year 2022 BMW vehicles that were produced after October 25, 2021. Due to supply chain limitations, certain vehicles were produced without a CID with touch function and without Reversing Assistant.
B1210212021-12-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. The customer complains that under moderate throttle application or on deceleration after throttle application, a Malfunction Indicator Lamp (MIL) is displayed in the instrument cluster.
B0010202021-12-27. Service bulletin. ELECTRICAL SYSTEM. BMW of North America (BMW NA) has made information available online to customers about software versions, including any changes to vehicle functionality that will result from each update.
B6116212021-12-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The "energy management" Check control message (ID code 415) is falsely displayed when entering the vehicle.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.