If I get a B at AS, can I get an A* at A2?

So i paid for a check of my law exam and my teacher said it got marked harsh and said it may not go up though, I'm not really sure i want to be wasting £40 on a remark and if i don't do this I'm not sure whether i should resit this.

In my AS Law i got 151/200 UMS which is a relatively high B. Can i still get an A* next year and has anyone ever done such a transition?

Your college should pay for remarks (unless it's private) so go for it! Last year I went up 17 UMS in one paper :O

I would consider a resit: it is possible if you get over 90% in all A2 modules you could bring the grade up to an A* but still... I resat an exam last year and went from a D to an A so consider it!