BMW Z4

  • Road Test: 2013 BMW Z4 sDrive18i

    Road Test: 2013 BMW Z4 sDrive18i

    BMW Z4’s new entry level version is the sDrive18i powered by a 2.0-litre, turbocharged petrol engine. This same power source can be found from the sDrive20i and sDrive28i models. The four-cylinder 2.0-litre engine features twin-scroll turbocharging, High Precision Direct Petrol Injection, Valvetronic fully variable valve control and Double-Vanos continuously variable camshaft control. In the sDrive18i,…