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Service bulletin B520224

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11006734
Published by NHTSA2024-09-01
Manufacturer's numberB520224
Manufacturer's date2024-08-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Customer states they started to receive Check Control messages for the driver’s seat at the end of eachdriving cycle: One or more of the following check control messages (CCM) were present at that time: CCM 434 Seat calibration required. CCM 108 Driver restraint system. Eventually multiple restarts after they first noticed the CCM the seat stopped functioning, the air bag warninglamp illuminated in the instrument cluster, and they received a new Check Control message: CCM 97 Restraint system. There are now 6 DTC faults stored: ACSM6 Air Bag module 930D86 - Function restraint system driver restricted. C95432 - seat module Driver (seat memory), message status backrest locking standardization required. C95434 - seat module Driver (seat memory), message status backrest locking standardizationrecommended. FAS_I20 Driver's Seat module 8029F5 - initialization seat: limited seat adjustment due to missing calibration 802A03 - Functions seat adjustment FAS limited available. 802A05 - ÜKB: Shut-off ÜKB because of missing calibration. Also, one or both of the following check control messages (CCM) may currently be present: CCM 108 “Driver restraint system” CCM 109 “Passenger restraint system” The seat initialization and memory has been lost. Or Repeat failure of seat initialization after completing the test module via ISTA.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
BMW I52024
BMW I72023, 2024
BMW IX2023, 2024
BMW X12023, 2024
BMW X22023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V3950002025-07-23. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE
25V4700002025-07-16. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
24V1350002024-02-23. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
20235612023-10-18. Electrical
23V7000002023-10-18. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR
23V4790002023-07-12. ELECTRICAL SYSTEM
23V4490002023-06-28. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
23V2950002023-04-26. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
22V9440002022-12-20. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY THERMAL:MANAGEMENT:SOFTWARE
22V8600002022-11-21. ELECTRICAL SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B6112262026-10-02. Service campaign. The BCP controls several vehicle functions, including the windscreen wipers and air conditioning actuators. Low current flow may cause excessive current in parts of the BCP circuit board and damage the unit. If a fault occurs, the wipers or air flap controls may operate incorrectly or fail. A wiper failure is indicated by a yellow warning light and the “Windscreen wiper fault” Check Control message.
B6305262026-09-28. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, customer may reportsome of the interior ambient lighting strips(arrows) may begin to fail sporadically after adeep sleep cycle. This concern is temporary and the interiorambient lighting will be restored on its ownafter the vehicle is locked/unlocked or colorselection setting is changed.
B6116262026-08-28. Service campaign. In vehicles equipped with the Roof Function Center “FZD‑21” variant, a quiescent‑current violation mayoccur if the system fails to enter sleep mode. When this sleep error is present, a remote software upgrade(RSU) may be aborted and the FZD can become degraded. The following Check Control Messages (CCMs) may be displayed: “Energy Management — Increased Energy Consumption While Parked.” “Software Upgrade Failed — Workshop Visit Required.”
B6409252026-08-27. Service campaign. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utilized for the vehicle interior.
B6408252026-08-27. Service campaign. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utlized for the vehicle interior.
B6305262026-08-27. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, some of the interiorambient lighting strips (arrows) may begin tofail sporadically after a deep sleep cycle.
B3401242026-08-27. Service campaign. After replacement of the Integrated Braking system (IB)/Power Brake the total distance covered might belower than when handed over to the workshop for the repair.
B6520262026-07-31. Service bulletin. The Central Information Display (CID) side of the Multifunction Display (MFD) may flicker intermittently. Theflickering manifests itself in three phases: The image is distorted The central information display turns black (black screen) The image is OK again The complete flickering episode with all the above-mentioned three phases only lasts about half a second intotal each time.
B6519262026-07-31. Service bulletin. Activation of the BMW Intelligent Personal Assistant voice is not possible via the Multifunction Steering Wheel (MFL) button and/or via the Central Information Display (CID). Intelligent voice control via the wake-up word “Hey BMW” is possible.
B6304262026-07-03. Service bulletin. The front interior reading light(s) (arrows) willrandomly turn ON and OFF while driving. The reading lights are normally activated bytouching the small icons