US BMW Z4 M40i Gets 40 More HP than European Model, Quicker 0-60 By Sam McEachern Sep 20 2018 1 Share this Article Tweet There’s also a four-cylinder sDrive 30i model. Continue Reading... Filed under: Auto Show News BMW Convertibles Featured Articles German Sports CarsTags: 2018 paris motor show, BMW Z4 M40i, US BMW Z4