Have tried to find out but even more confused,Castrol Magnatec 5w30 c3,will this be ok for my 09  Fabia 1.2 htp,thanks

Castrol should have a car selector on its page.

http://www.castrol.com/castrol/sectionbodycopy.do?categoryId=9024084&contentId=7073092

HERE!

And by this link i would say yes.

http://www.castrol.com/castrol/sectionbodycopy.do?categoryId=9024084&contentId=7073092

Dont trust that link for other engines if putting in a UK car registration number, 

 

Model search might be fine.

thanks for the replys.bought it in Belfast so UK car,still confused though

That oil carries the VW 502/505 specification, which makes it suitable for use in petrol engines for regular oil drain intervals.