[busaman]

It all depends on what you want to do so far i have only used e-sys to do the custom coding i wanted to

as for replacing units/ecu,s i don't know it is only a few months old and all is still under warranty..

what specifically were you wanting to code

I want to program all required units to the latest I-Level.
As far as I can see from the ISTA/P user manual, there should be no special procedures for the I series.
I am using an ICOM 1/A.
Might have to try a reinstall of ISTA even though it takes forever.

surely BMW will do that for free i have deliberately told them NOT to code mine as it will wipe all the custom coding i have done and the later revisions of software mask the id so you don't know what you are coding ...