Is it a straight swap over
 

Hi to all ,i have a wrx import salon Automatic (my95) it has as oem tdo4 turbo ,v5 ecu,(4pin), want to know if i can plug in a z4 ecu and tdo5 turbo,and thats that, or do i have to change or do anything else ?,any input would be great ,thanks.

Yes BUT not sure how well they work because it's an auto