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Seriously, how is anyone supposed to offer anything helpful other than you should consider your needs and priorities (which only you know) and evaluate the pros and cons of each choice.
I had sold my M3 and took a big hit. I have to add addition 20K to get MY Performance. Your situation maybe vary and I needed a larger trunk space but since I was already going to spend 55K on the MY mind as well upgrade it to the PUP.