i'm currently in florida visiting my parents

and am gonna order a ems and get it delivered here so i won't have to pay import tax getting it sent back to england
however i'm a bit confused by the website and have spoken to the diyautotune.com guys who don't know european cars
basically i need everything to run my rs2000 turbo project (2l dohc i4) but am not clued up on the electrical side so need some help, i need everything from laptop to car to run it
i obviously need the ecu
http://www.diyautotune.com/catalog/m...-kit-p-59.html and tuning cable
http://www.diyautotune.com/catalog/m...thru-p-35.html and the software downloaded for free, however do i need the wiring harness
http://www.diyautotune.com/catalog/1...eady-p-43.html or this edis adapter
http://www.diyautotune.com/catalog/e...v20-p-151.html or both????? plus they talk about coil thingys??? this is where i'm lost, do i need anything else? someone please help as i want to prove that this works