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Service bulletin M650426

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 id11030335
Published by NHTSA2026-03-31
Manufacturer's numberM650426
Manufacturer's date2026-03-26
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Customers may report issues with the alarm system not functioning correctly. These concerns may includeone or more of the following: Missing confirmation sound (function cannot be selected or deselected in the Central InformationDisplay (CID) menu) Alarm system deactivated (interior mirror light off) Alarm does not function DWA LED without function after locking (no flashing/flashing) Acoustic acknowledgement is unavailable or cannot be enabled/disabled via the CID menu underdoors/windows Tilt alarm sensor “SINE” cannot be reached via diagnostics

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
MINI COOPER CONVERTIBLE2026

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

Other bulletins for the same vehicles and component
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M1201262026-03-13. Emissions. BMW AG is conducting a Voluntary Emissions Recall (effective March 11, 2026) on certain Model Year 2025- 2026 MINI vehicles that were produced between February 28, 2024, and September 9, 2025. CAUSE Due
M6513252026-01-05. Service bulletin. Vehicle may experience various operational issues with the MINI Interaction Unit (MIU) such as: Intermittent black screen Permanent black screen Intermittent head unit functions not displayed (i.e., Navigation screen only is black)
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M8404252025-10-10. Service bulletin. In 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.
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M6108252025-10-10. Service bulletin. The power windows and exterior mirrors do not function on the driver and/or passenger side. The fault occurs on either the driver or on the passenger side. It does not occur on both sides at the same time.
M3401252025-09-22. Service bulletin. Starting from I-level …24-07-500, it is possible that the Automatic Hold function is not automatically storedfor the next journey. The function must be activated again by the driver at the beginning of every trip. After asoftware update to …25-03-500 and higher, this occurs more frequently.