MINI — recall

Automotive · Japan · 2025-04-15

Origin: ドイツ連邦共和国

MINI vehicles, high-voltage battery cell module improper manufacturing, electrode sheet may bend

Country	Japan
Category	Automotive
Published	2025-04-15
Country of origin	ドイツ連邦共和国
Manufacturer	BMW AG
Models affected	MINI Cooper E, MINI Cooper SE, MINI Aceman E, MINI Aceman SE
Units affected	37
Defect	In the high-voltage battery cell module, due to improper manufacturing, a piece of the electrode sheet (positive electrode) may bend, damaging the separator. This can lead to a short circuit inside the cell module, and in the worst case, may result in a fire. In the high-voltage battery cell module, due to improper manufacturing, a piece of the electrode sheet (negative electrode) may bend, damaging the separator. This can lead to a short circuit inside the cell module, causing a check control message to be displayed and limiting the high-voltage battery's charge level to a maximum of 30%.
Component	Electrical system (high-voltage battery)
Remedy	For all vehicles, replace the high-voltage battery cell module with a good one.
Recall number	外-3970
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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