I'm going to switch from 275/35 to 285/30 as soon as it's available in the Pilot Super Sport. I think that 285/30 is the optimum width for a 10" rim. I like the idea of a slightly smaller diameter. It will give me a hair more torque coming out of the hole.
Current - '11 e92 M3 SG/FR ZCP|ZCV|ZP2|2MK|494|415|6NR|752