Is there anything from my auto car that I need to reuse when swapping to a m6 tranny? Is the radiator reusable? What about the tranny lines and such? Also is there a list of the parts needed off the m6 car to do the swap?

Thanks

 

Just go by this guide it has everything you need to know.
http://www.afrashteh.com/tranny_pics/T56.htm