gti 1.8 20v non turbo
ok, so i know the castrol edge 5w 30 is the prefered, however, ive just been to one of my club sponsors for a new exhaust (pics to follow) and he had some left over bottles of oil (new obviously) so ive bought a couple of 4L, however, theyre castrol edge 0w 30, is this ok to use or should i use 5w 30?
thanks