Here's a Beru pdf that should answer your questions.
http://www.beru.com/download/produkte/stecker-TI05_e.pdf
BTW, I have 4 Beru connector ends that these wire ends screw into. They are brand new, and I can't use them. I bought in error - mine are Bosch with a screw that drills itself into the wire end, with no special connector... however, I see that you have one on order, but if anyone else is looking,....