Often M - cars are treated to wide, large diameter wheels with a distinctive design. (evo.co.uk)
You get a better ride with smaller wheels and taller tires, with little loss in performance compared to very low profile tires on large diameter wheels. (autoline.tv)
We note that handling is invariably impacted with the inclusion of larger diameter wheels so expect at least a little degradation of ride quality with the full size wheel and tyre package. (motoring.com.au)