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Old 04-22-2011, 06:12 AM
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TxTaz TxTaz is offline
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Location: San Antonio, TX
 
Join Date: Jan 2011
Posts: 724
Mein Auto: 2010 650i Coupe
Turns out I have WDS. Imagine that.
Here is the block diagram of BSD which has IBS in it (labeled Battery Sensor).
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From the looks of it, there is no difference in charging from the terminals or the battery directly. However this is a functional block diagram and not a schematic. The tap at X13769 and X6404 could be a current sensing shunt which would suggest using the terminals under the hood in order to register the charge going to the battery. There must be a reason for BMW suggesting using this so I'll continue using the terminals to charge.
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2010 E63 Black sapphire metallic
“Speed has never killed anyone. Suddenly becoming stationary, that's what gets you.”
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