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The BMW Range
3 Series
E46
E46 318ci m43 Battery Warning
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<blockquote data-quote="jarance" data-source="post: 722295" data-attributes="member: 21"><p>The voltage should be about 13.2 to 14.6VDC in order to charge the battery properly. (about 1.2 to 1.4 times of 12VDC).</p><p></p><p>When the voltage is low, many things will go crazy and that include the air compressor.</p><p></p><p>The alternator is serviceable. Usually the problem is to due to worn out carbon brush. </p><p></p><p>There are some electrical mechanic who are willing to change the carbon brush for you.</p><p></p><p>Maybe someone can recommend the shop or have done it before.</p></blockquote><p></p>
[QUOTE="jarance, post: 722295, member: 21"] The voltage should be about 13.2 to 14.6VDC in order to charge the battery properly. (about 1.2 to 1.4 times of 12VDC). When the voltage is low, many things will go crazy and that include the air compressor. The alternator is serviceable. Usually the problem is to due to worn out carbon brush. There are some electrical mechanic who are willing to change the carbon brush for you. Maybe someone can recommend the shop or have done it before. [/QUOTE]
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E46 318ci m43 Battery Warning
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