[m_beale1]

I've been scanning through the 08 instrument cluster retrofit and wanted to understand a bit more about the differences between the 06-07 and 08 cars. From that thread I see that the 08 cars have a different instrument cluster and wiring harness. It also looks like the ECU's programming is different for the 08 cars, but is the ECU itself the same or different?

 

[charliex]

same ecu different program, different harness
04-05 uses T4
06 - 09 uses T4e
after that its the T6 (for some cars)

there are variants of them , but as far as the T4e goes they're all pretty much the same