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Service bulletins for the 2023 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.

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

Warranty extensions
B0101262026-05-18. ENGINE. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

Bulletins, newest first
B6520252026-05-18. Service bulletin. ELECTRICAL SYSTEM. After replacing the Multifunctional Display (MFD), the Central Information Display (CID) is black. The backlight of the CID is illuminated, and touch function does register an audible sound.
B0101262026-05-18. Warranty extension. ENGINE. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
B5106262026-04-27. Service bulletin. STRUCTURE:BODY. While driving on rough surfaces, a “tapping” noise can be heard from the tailgate area
B5122222025-10-09. Service bulletin. STRUCTURE:BODY. Hood lever is pulled twice but the hood only achieves the pre-latch position on both sides.
B8405252025-08-24. Service bulletin. ELECTRICAL SYSTEM. SITUATION After the telematics module (TCB4) has been replaced, the replacement part control unit is not accepted byISTA.
B4107252025-08-24. Service bulletin. STRUCTURE:BODY. While driving on a smooth and/or uneven road, a “cracking” sound is heard from the rear wheel arch area (highlighted in orange) on either the right or left side.
B5107252025-04-28. Service bulletin. STRUCTURE:BODY. The trunk lid trim panel may partially comeloose/dangle (red arrows show the mostprevalent areas).
B5112232025-04-17. Service bulletin. STRUCTURE:BODY. A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator lamp(MIL) illuminated. After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the frontbottom active air flap is obstructed or blocked.
B3102232024-11-01. Service bulletin. STEERING. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
B1207212024-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damaged or prematurely worn. Torn drive belt.
B6404222024-03-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the recirculated airflap moves to a different position. Due to the complex design of the heating and air-conditioning unit, the kinematics causing it (top or bottom,left or right) may not be able to be precisely located. Depending on the vehicle model, the number of servomotors (and the associated kinematics unit) varies.Various models use either 2 or 3 servomotors.
B5108192024-02-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. The basic conditions for initializing the power windows are not met.
B6105242024-02-01. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 â“ âHU-H: Resetâ will be stored in the HU-H3.
B6113052024-02-01. Service bulletin. ELECTRICAL SYSTEM. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
B5217232024-02-01. Service bulletin. ELECTRICAL SYSTEM; SEATS. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
B3601212024-02-01. Service bulletin. STEERING. At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.
B1601232024-02-01. Service bulletin. FUEL SYSTEM, GASOLINE. A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5mm For: Model vehicles other that the ones listed above, or for EVAP faults related to a “large leak,” after confirming that the fuel filler cap is fitted properly, then, proceed to follow the corresponding test plan
B5132182023-12-06. Service bulletin. STRUCTURE. The paint finish on the door jamb (above the door striker) is scratched due to the inner door cavity window seal.
B1207212023-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damaged or prematurely worn. Torn drive belt.
B2404232023-10-01. Service bulletin. POWER TRAIN. BMW AG has issued a Delivery Stop (effective September 28, 2023) on certain Model Year 2023 BMWvehicles that were produced between January 23, 2023, and June 15, 2023.
MCAS40232023-10-01. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. BMW AG has requested the inspection of all dealer stock of the following part number(s) listed below to ensure the spacer is conformed to drawing.
B5118232023-10-01. Service bulletin. STRUCTURE. A groaning noise is heard from the trunk when driving on rough roads.
B6528232023-10-01. Service bulletin. EQUIPMENT. Customers may be experiencing one or more of these following issues with Bluetooth operation: Bluetooth cannot be switched on or off in the head unit (HU-H4) Paired mobile devices cannot be deleted Customer is unable to make phone calls or stream music with mobile device Customer is unable to connect a new mobile device via Bluetooth Mobile device does not automatically reconnect via Bluetooth in the next drive cycle (after short sleep cycle)
B8404232023-10-01. Service bulletin. EQUIPMENT. Intermittently the GPS location in 3 Party Navigation Apps (i.e., Apple Maps, Google Maps, Waze) will drift fromthe correct location. In addition, the location of the vehicle in the My BMW app may be incorrect. BMW Navigation isnot affected.
B6120232023-09-25. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. ?The customer states there is a Drivetrain Malfunction message displayed in the instrument cluster, and in some cases the vehicle will not go into drive readiness.

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