Technical details yet to be confirmed suggest the BMW Z4 will sport an electro-mechanical differential called sDrive, and will likely have a new engine option in addition to those already available.
This new Z4 is thought to have 2.0-, 2.5-, and 3.0-litre engines, as well as a 3.0-litre twin turbo, and a massive 4.0-litre V8 from the M division.
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