Does anyone know what charging failure means on a 2005 BMW 645Ci? It comes on intermittently. WIndows will then work slow, dash lights dim. Eventually it goes away and everthing works fine.

Asked by GuruZ8RFN Nov 18, 2017 at 08:57 AM

Question type: Maintenance & Repair

2 Answers

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I would check all the battery connections first. These connections need to be absolutely clean, free from corrosion and tight. A 645CI will be expensive to diagnose and repair.

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