I have both a 2015 M235 Coupe and a 2020 Z4 M40i. Love them both. M235 is the all weather DD car.
I would definitely go with the 6 cylinder - the sound alone is worth it. The 2-series can serve as a DD, the Z4 less so.
I looked at the M240 vert and the Z4 runs circles around it when used as intended.
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Hoc Lapidem Non Vi Sed Saepe Cadendo!
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