Hi All

Travelling back to Belfast for our Christmas break. Just needed some advice. Currently have a imported sti3 which I run on Optimax and Millars Octane booster. I am aware that I cannot get Optimax in NI and therefore would like to know what amount of booster to use with BP Ultimate as this is the only performance fuel available in the homeland. Currently use a millers every other tank as advised..wont be driving that hard with the car full of presents and a 3 year old....not me obviously.....
any one in NI with an import care to comment...???
cheers
happy christmas...