Rumormill: BMW Z2 concept to debut in Frankfurt featuring fuel-saving technology
Joining the eco-friendly model will be both gas and diesel engines with 2.0-liters or less displacement. Perhaps most interesting is a rumor that the Z2 may get a sequential transmission borrowed from BMW's line of high-end motorcycles. Weight will be kept low thanks to heavy use of composite materials, and adjustable aerodynamics should offer high downforce when tackling the bends and minimal drag when motoring on the expressway.
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