you will probebly need
BCM ECU and full loom if you go series 2 as series 2 go to smartshield not smartlock like series 1.
if you get a series 1 loom you should be right, but will still need the
BCM i believe
on the e-series the power window loom is seperate and runs under the carpet, but the door looms are 1 piece with 2 plugs inside the car.
if i was you id rip up the carpet in a power window'd AU at a wrecker and have a look where the loom goes