Originally Posted by
bigryrs
its a 54 plate
Sounds like the Astra H 1.7 16V CDTi?
http://www.evolutionchips.com/chipsearch.asp
If its the non 16V then it can be done but its an EPROM change which most installers wont tackle, but the ECU can be processed via your local installer or you can bring it to us direct.