fitment

I'm looking at msport mv2's for my e60, one lad got onto me with a clean full set of 5, but e46 fitment. Is there a massive difference? I currently have spacers on at the moment with the current wheels I have.

While I was looking for Tyres online I noticed they say Pirelli P-Zero (Ferrari) Pirelli P-Zero (Jaguar) Pirelli P-Zero (Ford) Etc there are ones that say BMW others mercedes and more , I have seen in magazines that they are different compounds , but which is the best ?? I mean I have the...