Mattatherton

Cheers, I went to get it mapped in today but was told it’s not possible on the ecu in my car. And I already have a exhaust on and decat

Hello I have a 2002 1.4 16v 75bhp lupo and want to get a over run map on it but I was told I can’t with the ecu I have. I was wondering what ecu I can use. I’ve been told using a ecu from a 2003 1.4 onwards would work can anybody confirm this?