You'll find once you start turning some of those things off, other things quit working as well (fuel trims, etc). Has to be modified in the runtime to keep proper operation.
Hello, sorry for waking a post so old, but I have the same query. -
Remove the valve N249 & N80 and wanted to know if it was easy as well cancel the second oxygen sensor. -
I have some photos of how it turned my car:
Many thanks for help!!!