Looks like a 2 pin US plug to me (and available using a UK VPN exit point).

I'm pretty sure it can be unofficially done with a USB OTG+Power cable and the correct USB-Ethernet chipset (i.e. the one that the Chromecast supports).
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)