BMW M3 Forum (E90 E92) - View Single Post - Tune2air not enough power from armrest USB?

jayzbird · 02-25-2021, 11:50 PM

An easy way to check if the port is dead is to just plug in a regular phone charging cable (with ignition on) and see if it shows charging on the phone.

02-25-2021, 11:50 PM	#4
jayzbird Private 35 Rep 58 Posts Drives: E90 M3 Join Date: Sep 2019 Location: Ca iTrader: (0)	An easy way to check if the port is dead is to just plug in a regular phone charging cable (with ignition on) and see if it shows charging on the phone.
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