rpm
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I'm planning on using this socket to power my phone mounted to the yoke stem (as my GPS for long runs) - does anyone know at what current the CAN Bus controller shuts it down? Safe to pull 1A or so from it?
I did some Googling - lots of mentions of BMW CAN Bus shutting down at 5A total draw on aux circuits (at least on the GS and XR).
Assuming same for RR, means that a usb charger or GPS (e.g. 1A 12V draw for a nice fast 2000mA 5V usb charger) would be fine direct from the socket.
If you are connecting several things though (like some in the thread with cameras etc), or big current things (like heated gear) - then I'd say that you'd be better off with a relay.