OBD port "removal"

Narcosis

Corporal
Dec 14, 2016
135
75
0
Hudson, WI
Ride
E92
Any tips on unmounting the OBD 2 port from it's mounting location in a 2016 M4? It's evident that it slides up and locks into place, but I'm unable to determine how to unlock it. I need to tap the RPM signal on pin 9 & it'd be better all around to have the plug unmounted.

Or perhaps an alternate source for the RPM signal? I'm using the fuel-it install guide for the AIC controller, which calls out pin 9.

Thanks!
 
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