BMW Z4 AC Schnitzer 99d

Developed as an eco-friendly sports car that adapts to AC Schnitzer's new motto "Efficient Performance", the 99d gets its name from its CO2 emission levels and the diesel powerplant housed under its hood.More specifically, the tuning house fitted the Z4 with the BMW 320d Efficient Dynamic's 2.0-liter four-cylinder turbocharged diesel engine. After some performance upgrades, the four-pot's