Technology 2019 BMW Z4 M40i Prototype Review: BMW Breathes Life Into a Forgotten Droptop June 4, 2018 johorbiznet Johor News 2019 BMW Z4 M40i Prototype Review: BMW Breathes Life Into a Forgotten Droptop Motor Trend Next-gen BMW Z4 shown in prototype form during testing stage CNET 2019 BMW Z4 M40i Announced, Promises to be ‘Extremely Powerful’ AutoGuide.com Full coverage Source: Technology News Feed