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BMW Tech and Performance
Engine Tech
X5 E53 battery voltage sudden drop to 5v ?
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<blockquote data-quote="hellgrace5" data-source="post: 24308" data-attributes="member: 14797"><p>Hello.The car was starting/cranking good when i reverse the car and park it to car wash.When finish car wash i tried to start but no crank at all. no engine light sign, no headlight, no air cond, no horn etc. looks like all electronic went down.went to measure the battery voltage and it shows 5v only. i measure the battery terminal and the terminal provide infront the engine bay. I am very shock cause the battery just went down like that.battery is 1 year old.help ! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>
[QUOTE="hellgrace5, post: 24308, member: 14797"] Hello.The car was starting/cranking good when i reverse the car and park it to car wash.When finish car wash i tried to start but no crank at all. no engine light sign, no headlight, no air cond, no horn etc. looks like all electronic went down.went to measure the battery voltage and it shows 5v only. i measure the battery terminal and the terminal provide infront the engine bay. I am very shock cause the battery just went down like that.battery is 1 year old.help ! :( [/QUOTE]
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X5 E53 battery voltage sudden drop to 5v ?
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