there is loads of thread on this try the search as they say on pm2
https://www.fiatforum.com/lets-talk-fiat/238506-access-eper-via-fiatforum.html
https://www.fiatforum.com/blogs/ben/911-eper-gets-turbocharged-page2.html#comments
I'll have a crack at putting the new one on when I get back to Taipei next week
In like 50 stages, I haven't got the patience.