Service bulletins for the 2021 BMW 430i
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.
135 on file from NHTSA, as of 2026-10-19.
By type
By component
| 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. |
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| 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. |
| SIB662419 | 2022-08-22. 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. |
| SIB611022 | 2022-08-22. Service bulletin. ELECTRICAL SYSTEM. Due to an incorrect terminal assignment, the compressor circuit is protected with a 30 Amp fuse (slot F227). A 40 A fuse (slot F229) is required for suitable circuit protection. |
| 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. |
| SIB360122 | 2022-07-18. Service bulletin. EXTERIOR LIGHTING; TIRES; EQUIPMENT. The customer finds an indication in themyBMWapp that the tires need service due to wear. Even afterreplacing the tires, the tire service indicator is still present in the myBMW app. |
| SIB090121 | 2022-07-18. 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. |
| SIB651312 | 2022-07-05. 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. |
| SIB640222 | 2022-07-05. Service bulletin. ENGINE AND ENGINE COOLING. Mist formation on the windshield inside surface may occur at departure or after MSA (automaticstart/stop). Acoustic abnormality in the area of the recirculated air flap (recirculation flap closing and opening severaltimes). The above may occur individually or in combination. |
| SIB630222 | 2022-07-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Excessive condensation has collected in one or both headlights. |
| SIB610722 | 2022-07-05. Service bulletin. EQUIPMENT:ELECTRICAL. Check Control Message (CCM) displays "Vehicle key missing" after engine start. |
| B340122 | 2022-06-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. When driving off from a standstill, a delayed or sluggish throttle response may be noticed sporadically. |
| B090321 | 2022-06-21. Service bulletin. BACK OVER PREVENTION:SOFTWARE. In some rare cases a customer vehicle might be excluded from one or more Remote Software Upgrade(RSU) campaigns. This SIB gives an overview how to identify these vehicles and how to proceed in case of a customer complaint. |
| B610722 | 2022-05-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Check Control message (CCM) displays "Vehicle key missing" after engine start. |
| B610121 | 2022-05-31. Service bulletin. EQUIPMENT:ELECTRICAL. 48 V battery may become totally discharged, and possible replacement needed. |
| B360122 | 2022-05-31. Service bulletin. WHEELS; EXTERIOR LIGHTING. The customer finds an indication in the 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. |
| B110521 | 2022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off the coolant pump and alternator. |
| B410222 | 2022-05-16. Service bulletin. EQUIPMENT. The trunk floor carpet is wet, primarily on the left side. |
| B360122 | 2022-05-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; WHEELS; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. After replacing tires and successfully programming the Tire Pressure Monitoring System (TPMS) using the RDC tool to transfer the QR code information on the sidewall, the "back-end" support systems need time to update the new tire information. |
| B840222 | 2022-05-16. 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. |
| B661519 | 2022-05-16. Service bulletin. EQUIPMENT; LANE DEPARTURE; STEERING. The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time. |
| B110521 | 2022-02-22. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off the coolant pump and alternator. |
| B840917 | 2022-01-24. 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). |
| B840621 | 2022-01-24. 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. |
| B652121 | 2022-01-24. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SiriusXM satellite radio is not working and does not display a channel list. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.