Note that the leather is free with the 'upgrade edition' action.
But if you're fussing over things like the sound system and comfort access I seriously doubt the F20 will be a better car for you, most of it is the same...
Perhaps you should consider an F10?
2013 F21 125i Estoril Blue M Sport
2002 E46 320d Steel Gray M Sport
1986 E30 325i Royal Metallic Blue