I have the LM60s on my X5 and they are great snow tires, quiet, pleasant with good handling. The Pirellis are sportier but who cares these are SNOW tires after all so be happy.
2013 BMW Alpina B7x SWB Alpina Blue, Dinantronics Stage 2 600hp, 612lb/ft
2016 BMW X5M Long Beach Blue, M Perf parts, RKP diffuser, Dinantronics Stage 1
awaiting 2017 M770i (to replace the B7)