New Generation N62 Engine Chapter 3 P.25
Course Contents/Background Material
© BMW AG, Service Training
Note
The alternator regulator voltage is influenced by the DME BSD
interface. The battery terminal charge voltage can therefore be
up to 15.5 V, depending on the battery temperature.
If, therefore, the after-sales service measure a battery charge
voltage of up to 15.5 V, the regulator is not faulty.
A high charge voltage indicates a low battery temperature.
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