.....

if the cars are the same configuration (engine size and tranny) and similar year, same number of pins in the ecu etc. it should work. The map may be slightly off though.

You also need a new BCM (body control module) as the old one and the new ECU won't work together.

You also need a new BCM (body control module) as the old one and the new ECU won't work together.

Isnt that the same as the BEM?? which he said he has.