The M40i clearly sits at the top of the tree, it’s the only model to have six-cylinders and its engine produces 340hp to get the Z4 from 0-62mph in 4.6 seconds. Unsurprisingly, it’s also the most expensive to run with a fuel economy figure of . Welcome to the Gold Car Studio channel Enjoy in 4K ULTRA HD video resolution If you like video, don’t forget to subscribe /share/ like / comment #new #bmw #z4 #msport #4k
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