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Old 12-30-2016, 11:18 AM
mkal mkal is offline
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Location: Houston
Join Date: Nov 2014
Posts: 117
Mein Auto: E70 X5
Was CTEK even relevant here as an auxilary source? According to manual, minimum voltage for it to charge a battery is 2 volts, so if the battery was disconnected, CTEK stopped charging and it would explain why you've lost clock settings.
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