BMW 430i Service Bulletins (2026)
8 manufacturer communications on file.
- August 27, 2026•Document ID: 11036389Service CampaignSERVICE BRAKES
- Mfr Comm. #:
- B340226
- Date Added:
- August 27, 2026
- Manufacturer:
- BMW
SummaryThe protective film which covers the 6 threaded connection holes on the DSC hydro unit may not have been completely removed before the brake line was fastened. This can lead to a gradual loss of brake fluid at the threaded connection. As a result, the driver is alerted at an early stage by a red Check Control Message stating “Brake system defective. Stop carefully. Do not continue driving. Call BMW Roadside Assistance”. However, there is no functional limitation of the brake.
Associated Products (1)Associated Documents - May 5, 2026•Document ID: 11032744Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B652025
- Date Added:
- May 18, 2026
- Manufacturer:
- BMW
SummaryAfter 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.
Associated Products (27)Associated Documents - April 23, 2026•Document ID: 11031566Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B510626
- Date Added:
- April 27, 2026
- Manufacturer:
- BMW
SummaryWhile driving on rough surfaces, a “tapping” noise can be heard from the tailgate area
Associated Products (8)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 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 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