S3 Engine Into An 07 MK5 GTI

Hi guys,

As the title say I'm considering doing a swap of my 2.0l fsi with a stronger and more powerful 2.0l tfsi .. so far Ive read the its a straight swap psychically as they basically the same motor .. I'm wondering if anyone here my have some knowledge of the ECU side of the swap (which ECU to use, immobilizers etc)

I am aware that the MK5 GTI pirelli edition has this setup factory and may traditionally be a more cost effective option but I got my GTI for a really good price and I am one for the experience of it all.

Any help is much appreciated or even a push in the right direction

Thanks