Originally Posted by AlexF
BMW stuff looks like its just a simple voltage to make a DC motor use, no CAN or serial interfaces to get in the way.
So in theory its very simple to wack it from closed to open on command...
I'll keep digging and try and test the theory today.
Alex
If its 3 wires it tends to be:
+VE
-VE
PWM
And the PVM % on time represents how open to make it.