Originally Posted by Karura
I know the GB has ended, but I got a question. It seems that the normal sensors are mounted horizontally, and the BMW ones are vertical to accommodate the grills, so does that mean it is not needed to get the HP one, since it's a combination of both vert/horizontal sensors when we can only mount it vertically?
That is correct, mostly. The HP model has one sensor (where the bubble is) and two laser diodes, each diode perpendicular to the other. They are the same model of diode in the non-HP head, just two of 'em. You can mount the HP heads vertical and presumably have the same performance.