SOHC vs BPT wiring harness

[itchnertamatoa]

I know this has probably been asked before, but here goes

I am swapping my B8 for a BPT
I already have BP26 ECU and need to upgrade the SOHC harness to BPT
what do I need to do?
what other parts, if any, do I need?
All I have is engine, tranny and ECU