Ok people, I already ordered and received my shims and all the things I'm going to need.
http://www.ecstuning.com/BMW-Z4-M_Ro...cal/ES1893858/
I'm also following the videos below part 1 & 2. for reference and that because the dealer wants $1200 plus tax
http://www.youtube.com/watch?feature...v=SoYVubj9y5U#!