Astra vxr 240bhp to 293bhp Finally finished this after endless problems and issues most tuners never post issues they see and most of us see various issues on a daily basis this is just one example so initially Heath checked and showing no issues and was showing healthy on the stock dyno run making stock figures so we proceed with tuning (this is where the fun began ) So after pulling the file and building a base map we set out installing to the ecu writing to 99% crashed gulp! After spending se