BMW 430i Service Bulletins
234 manufacturer communications on file.
- January 15, 2026•Document ID: 11027777Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652025
- Date Added:
- January 23, 2026
- Manufacturer:
- BMW
SummaryAfter replacing the Multifunctional Display (MFD), the Central Information Display (CID) is black. Thebacklight of the CID is illuminated, and touch function does register an audible sound.
Associated Products (9)Associated Documents - December 17, 2025•Document ID: 11026950Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B340925
- Date Added:
- January 5, 2026
- Manufacturer:
- BMW
SummaryThere may be an internal leakage in the brake fluid expansion tank (aka brake fluid reservoir). In the rarecase of a leak, the filling level sensor might malfunction over a relatively long period of time.
Associated Products (12)Associated Documents - December 12, 2025•Document ID: 11026946Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- B111025
- Date Added:
- January 5, 2026
- Manufacturer:
- BMW
SummaryCoolant is leaking from the oil filter housing.
Associated Products (5)Associated Documents - December 10, 2025•Document ID: 11026964Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652825
- Date Added:
- January 5, 2026
- Manufacturer:
- BMW
SummaryThe vehicle may experience various operational issues with the Multifunction Display such as: Intermittent black screen Permanent black screen Intermittent head unit functions not displayed (i.e., Navigation screen only is black)
Associated Products (12)Associated Documents - December 9, 2025•Document ID: 11026963Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652725
- Date Added:
- January 5, 2026
- Manufacturer:
- BMW
SummaryThe vehicle may experience various operational issues with the infotainment system such as: Resets of the head unit Delayed start-up of the head unit (longer than 30 seconds) Failed start-up of the head unit Sporadic or permanent problems with navigation Sporadic or permanent Bluetooth connection problems Sporadic or permanent audio problems Sporadic or permanent speech / IPA (international phonetic alphabet) problems Missing displays, radio stations, camera images or applications
Associated Products (12)Associated Documents - November 19, 2025•Document ID: 11025841Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652725
- Date Added:
- December 1, 2025
- Manufacturer:
- BMW
SummaryRSU availability. The vehicle may experience various operation faults with the infotainment system such as: Resets of the head unit Delayed start-up of the head unit (longer than 30 seconds) Failed start-up of the head unit Sporadic or permanent problems with navigation Sporadic or permanent Bluetooth connection problems Sporadic or permanent audio problems Sporadic or permanent speech / IPA (international phonetic alphabet) problems Missing displays, radio stations, camera images or applications
Associated Products (12)Associated Documents - October 10, 2025•Document ID: 11024727Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652525
- Date Added:
- November 3, 2025
- Manufacturer:
- BMW
SummaryAfter the software update to I-level version …25-07-530, the Alexa app may disappear from the App Menu in the head unit (HU-H5).
Associated Products (9)Associated Documents - October 3, 2025•Document ID: 11024211Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B840625
- Date Added:
- October 9, 2025
- Manufacturer:
- BMW
SummaryIn some situations, an emergency call may be triggered in the vehicle without either the customer pressing the SOS Call button, or an airbag deployment event. In some cases, the customer may not even be inside the vehicle.
Associated Products (42)Associated Documents - October 1, 2025•Document ID: 11024232OtherFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- B065225
- Date Added:
- October 10, 2025
- Manufacturer:
- BMW
SummarySupply Module Return
Associated Products (3)Associated Documents - September 17, 2025•Document ID: 11024208Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B512222
- Date Added:
- October 9, 2025
- Manufacturer:
- BMW
SummaryHood lever is pulled twice but the hood only achieves the pre-latch position on both sides.
Associated Products (12)Associated Documents - August 26, 2025•Document ID: 11022856Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B651925
- Date Added:
- September 6, 2025
- Manufacturer:
- BMW
SummaryCentral Information Display (CID) in the vehicle is black or only displays “BMW”. The head unit (HU-H5) is not responding in ISTA. Additionally, the Receiver Audio Module (RAM), Instrument Cluster (KOMBI) and Telematic Module 4 (TCB4) may not be responding in ISTA.
Associated Products (11)Associated Documents - August 26, 2025•Document ID: 11022855Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652025
- Date Added:
- September 6, 2025
- Manufacturer:
- BMW
SummaryAfter replacing the Multifunctional Display (MFD), the Central Information Display (CID) is black. Thebacklight of the CID is illuminated, and touch function does register an audible sound.
Associated Products (13)Associated Documents - August 20, 2025•Document ID: 11022859Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B410424
- Date Added:
- September 6, 2025
- Manufacturer:
- BMW
SummaryA groaning sound from the front of the vehicle while driving can be heard, particularly while cornering. The groaning sound can be heard in the A-pillar/instrument panel area.
Associated Products (13)Associated Documents - August 20, 2025•Document ID: 11022103Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B510324
- Date Added:
- August 24, 2025
- Manufacturer:
- BMW
SummaryWhile opening any of the doors, a groaning sound is heard from the door brake. Doors open and close stiffly.
Associated Products (9)Associated Documents - August 20, 2025•Document ID: 11022101Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B410725
- Date Added:
- August 24, 2025
- Manufacturer:
- BMW
SummaryWhile 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.
Associated Products (22)Associated Documents - August 19, 2025•Document ID: 11022869OtherENGINE
- Mfr Comm. #:
- B064325
- Date Added:
- September 6, 2025
- Manufacturer:
- BMW
SummaryOil Line Return
Associated Products (8)Associated Documents - August 13, 2025•Document ID: 11022119Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B840525
- Date Added:
- August 24, 2025
- Manufacturer:
- BMW
SummarySITUATION After the telematics module (TCB4) has been replaced, the replacement part control unit is not accepted byISTA.
Associated Products (6)Associated Documents - August 8, 2025•Document ID: 11021817Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320123
- Date Added:
- August 13, 2025
- Manufacturer:
- BMW
SummaryWhen turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
Associated Products (11)Associated Documents - July 30, 2025•Document ID: 11021109Service CampaignSERVICE BRAKES
- Mfr Comm. #:
- B340925
- Date Added:
- July 31, 2025
- Manufacturer:
- BMW
SummaryThere may be an internal leakage in the brake fluid expansion tank (aka brake fluid reservoir). In the rare case of a leak, the filling level sensor might malfunction over a relatively long period of time.
Associated Products (5)Associated Documents - July 28, 2025•Document ID: 11021123OtherUNKNOWN OR OTHER
- Mfr Comm. #:
- B064125
- Date Added:
- July 31, 2025
- Manufacturer:
- BMW
SummarySeal Return
Associated Products (9)Associated Documents