Sounds like you'll be happier in the M3. I adore my M3 and the DCT literally surprises me everyday and makes me smile. Plus you have the creature comforts as well as an excellent track performer. Besides it'll only be a lease and after that you can stay or keep it moving.
Then: 2011 E92 //M3 SSII DCT
Now: 2012 F10 550i Carbon Black M Sport
Soon: 2016 M4 or M3 ...still deciding