Rider haggard

Looking for advice please. My 2007 BMW 120d currently runs on 17" wheels with runflat tyres. The ride is ok, but a bit firmer than I like. I can get 16" BMW wheels for the 1 Series with run flats or tubeless.
Can you advise? Would the speedo be ok? and what effect would it have on ride/control?

Asked on 20 March 2010 by C.S., via e-mail

Answered by Honest John
Yes, go for 16s, preferably with the new Bridgestone Runflat 3s that ride as well as conventional tyres. The standard BMW size will be the same rolling circumference as the 17s, I think 185/60 R16.
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