Thread: USB Output
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      01-07-2016, 06:52 AM   #2
lsturbointeg
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Drives: 2011 535i Jet Black
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Did a Google search and found this info...not exactly sure if it's hard data tho?

The USB port is capable of supplying 100mA initially but can indicate it can supply a higher current after the device is plugged in.* The USB standard allows for 500ma to be taken from the USB connector and I'm sure the BMW is capable of supplying this. Some equipment likes to take more than this and this is likely to be a problem with the BMW (iPad & some Disk drives as an example). Additionally some equipment likes the data signals of the USB to be in certain states before they will charge.*
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