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Service bulletin B540425

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 id11019567
Published by NHTSA2025-06-17
Manufacturer's numberB540425
Manufacturer's date2025-06-02
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

The Sky Lounge sunshade does not open/close. Concern may be intermittent. The following fault codes are stored in the FZD (Roof Centre Function) control module during a vehicle test: 0302A0- ESH (electrical sunshade): No standardization system 03029C- ESH (electrical sunshade): No init because boundary conditions not valid (motordiver)

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 530I2025
BMW 740I2025
BMW M52025

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

Recalls for the same vehicles and component
26V0960002026-02-19. ELECTRICAL SYSTEM:WIRING
25V2020002025-04-01. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

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
B6118262026-09-28. Service bulletin. Due to unfavorable software, the Storage Management Electronics (SME) will not show fault codes that trigger the Malfunction Indicator Lamp (MIL) when performing ISTA Service Function "Display Permanent SAE Fault Codes." As a result, workshops will have to identify SME-specific permanent SAE (emission related) Diagnostic Trouble Codes (DTCs) stored in the vehicle during diagnosis or when preparing a vehicle for a State Emission Inspection and Maintenance through a workaround procedure.
B6115262026-08-28. 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.”
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.
B6514262026-07-03. Service bulletin. The vehicle may experience various operational issues with Apple CarPlay Projected Modes such as: Dropped connections No automatic reconnection Display errors
B6101262026-07-03. Service bulletin. During vehicle start-up the Secure Element (SE) of the BCP may fail causing communication errors. TheCheck Control message “Drive carefully. Driving stabilisation.” will appear. In addition, the fault memoryentries below will be stored within 40 seconds of each other. ACSM: 02010A - Coding: Coding data not qualified VIP: 02390A - VIP control unit: Coding data not released, signature IB: 02290A - DSC control unit: Coding data not released, signature HKFM: 020D0A - HKFM: Coding data are not qualified
B1203262026-07-03. Warranty extension. Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes (DTCs) and the MIL (warning light) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
B6103242026-04-27. Service bulletin. Gen 5 BEV/PHEV vehicles may set the Combined Charging Unit (CCU) in programming abort due to no communication to the HV charge socket electronics.
B2401262026-04-27. Service bulletin. A possible “jerking” motion may arise when using the Parking Maneuver Assistant in purely electric mode in vehicles with 7 kW charging power and a programmed I-level starting from 25-03-500
B6508262026-03-30. Service bulletin. After the software update to version …25-07-5XX, existing activation points for the “Automate My Habits”function no longer work.
B1203262026-03-13. Emissions. BMW AG is conducting Voluntary Emissions Recall (effective March 11, 2026) on certain Model Year 2023 -2026 BMW vehicles that were produced between January 14, 2022, and September 16, 2025.