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      04-18-2021, 02:23 PM   #2
VjaceslavB
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Drives: BMW 330D LCI E93
Join Date: Apr 2021
Location: UK

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Made some observation, when that happens... battery voltage through diagnostic sits at 12.2v,as soon as i insert key it drops down to 11.2v,upon starting vehicle it slowly climbs back up to 12.2 and goes up to 14.4v within like 20 seconds, so i would assume that battery is a culprit and causing for glow plugs not to fire up until it gets voltage resulting in a rough idle?
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