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The BMW Range
3 Series
E46
Battery warning lights
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<blockquote data-quote="effierizal" data-source="post: 21713" data-attributes="member: 3374"><p>Hi everyone and good day. Need some advise from sifus here..My UDM battery warning light came on this evening. At first, it was intermittent, then it stayed on until I reached home from the office. Is it early sign of alternator going kaput? I did a self-test on the OBD. Voltage reading before engine start was 12v+, and after starting, it hovers between 12v+ and sometimes dipping to 11v+. Some says it should stay above 13v+...:afraid: If anyone has encountered this before, please share. Your inputs are welcomed. Cheers</p></blockquote><p></p>
[QUOTE="effierizal, post: 21713, member: 3374"] Hi everyone and good day. Need some advise from sifus here..My UDM battery warning light came on this evening. At first, it was intermittent, then it stayed on until I reached home from the office. Is it early sign of alternator going kaput? I did a self-test on the OBD. Voltage reading before engine start was 12v+, and after starting, it hovers between 12v+ and sometimes dipping to 11v+. Some says it should stay above 13v+...:afraid: If anyone has encountered this before, please share. Your inputs are welcomed. Cheers [/QUOTE]
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