Post by: AutomotiveRange-topping Z4 sDrive35is model makes world premiere at NAIAS. Combining classic proportions with modern features, the BMW Z4 Roadster enjoys the top spot in its market segment. Now, the new BMW Z4 sDrive35is distills the Roadster’s performance potential to produce one of BMW’s fastest and best-handling Roadsters ever. The BMW Z4 sDrive35is is making its world debut as a