If it was me I'd feel the same. The car has let you down and so there will be a reluctance to get another one.
I was toying with the idea of the new 1 series M Sport. They seem fairly similar internally although the boot space would never have had enough room for my family needs. As this is going to be my car and the wife has the family wagon S-Max this wasn't such a big stumbling block. When I looked at the two, the F30 even in non M Sport guise just blew away the 1 Series.
You've been unlucky with the problems but they're the sort of problems that fortunately are rare and so you can console yourself with the thought that lightning shouldn't strike twice.
I'd give the F30 another chance, maybe you can get some more options thrown in as part of the compensation? Whatever they offer, go back for more though. You never know unless you ask
