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      09-18-2019, 07:17 PM   #20
Redd
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Drives: 2010 BMW E92 M3 Dakar Edition
Join Date: Jul 2015
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Quote:
Originally Posted by dpaul View Post
Helmsman is correct - voltage should never be below 12 (except during starting). This is not normal behavior for any type of battery.

How exactly are you measuring the voltage?
I have a HUD device tapped into CANBUS (not using OBD port). Granted it reads about 0.5V lower than reading at the engine bay battery terminal when we checked at the terminal during troubleshooting.
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