10-20-2018, 08:58 PM
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Member
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Join Date: Jun 2014
Location: SA, TX
Posts: 6,474
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Quote:
Originally Posted by mr_robot
Is that at idle? I checked mine today and at idle it was steady 13.8v
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Engine running at idle should be a stead 14.4v ish +/- a couple tenths of a volt. Mine was dipping down to ~13.2v at some points. 13.8v is not going to hurt anything... but it should be higher than that. Did you have any accessories going? I test mine with AC off, lights off, etc. Radio I leave on usually. The computers start to get unhappy in the low 13's and really get pissed in the 12's.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
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