September 17, 2026 Service bulletin

Due to unfavorable software, the Storage Management Electronics (SME) will not show fault codes that...

BMW technical service bulletin B611826 for 2025 BMW M5, 2025 BMW XM and 2025 BMW 550e Xdrive and others.

Bulletin number: B611826
Component: Electrical system
Summary: 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.

Owners of these vehicles have filed 1 complaints in the electrical category.

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