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The BMW Range
3 Series
E90, E91, E92, E93
Alternator & Crank Pulley
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<blockquote data-quote="jarance" data-source="post: 744988" data-attributes="member: 21"><p>When you car start to light up with so many "alarm", it mean the battery voltage is very low and caused the modules to "fail".</p><p>The possibilities of so many alarm appearing at the same time is 1 in a million.</p><p></p><p>The alternator failure could be due to worn out carbon brush for the slip ring. Not many shop are willing to do this replacement work cos the carbon brush are about RM15 per pair. However, it is labour intensive as it involved removing the alternator to service it.</p><p></p><p>As for the pulley showing sign of crack, do a dye penetrant test to confirm the hairline crack.</p><p></p><p>BTW, your fan belt look worn out. Get it replaced.</p><p></p><p>I have also a failed alternator while driving. All the alarms came on when the battery is draining. Found the alternator problem is due to worn out carbon brush.</p><p>DIY to replace the alternator with new one. Old one is waiting for carbon brush. All work DIY.</p></blockquote><p></p>
[QUOTE="jarance, post: 744988, member: 21"] When you car start to light up with so many "alarm", it mean the battery voltage is very low and caused the modules to "fail". The possibilities of so many alarm appearing at the same time is 1 in a million. The alternator failure could be due to worn out carbon brush for the slip ring. Not many shop are willing to do this replacement work cos the carbon brush are about RM15 per pair. However, it is labour intensive as it involved removing the alternator to service it. As for the pulley showing sign of crack, do a dye penetrant test to confirm the hairline crack. BTW, your fan belt look worn out. Get it replaced. I have also a failed alternator while driving. All the alarms came on when the battery is draining. Found the alternator problem is due to worn out carbon brush. DIY to replace the alternator with new one. Old one is waiting for carbon brush. All work DIY. [/QUOTE]
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The BMW Range
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E90, E91, E92, E93
Alternator & Crank Pulley
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