castrol 0w 30 long life 2 oil

[sjpope78]

I was given 1litre of audi castrol long life 2, 0w 30 oil ,as a token gesture from the garage that i bought my b6 from i understand that my vehicle uses 5w 30 oil, so the question im asking is will i be able to use the 0w 30 in my car???