The cameras plug into the BMW QR bracket that attaches to the unit with their own QR. Whereas the standard Chigee QR stays in place on the bike with cameras plugged into, they stay in place when you remove the unit.
The difference is that with the BMW QR you use the original nav prep, with the CQ you don't need that.
The benefit of all this is to make a single unit that can be adapted.
This YouTube video gives a good explanation of what everything does:
The difference is that with the BMW QR you use the original nav prep, with the CQ you don't need that.
The benefit of all this is to make a single unit that can be adapted.
This YouTube video gives a good explanation of what everything does:


