Compared with the former model, the side windows are 40 percent larger, the see-through area in the rear window 52 percent larger, and all-round visibility increased 14 percent over the previous generation
The new interior is more visually pleasing, and includes a slew of comfort and usability improvements. Notably, the traditional hand brake is gone in favor of an electronic setup. BMW's latest automatic gearshift is present, and iDrive is available for the first time in a Z4. The system is built around an 8.8-inch LCD screen, featuring a 1280 x 480 pixel resolution, and an 80GB hard drive, with up to 15GB of music storage. A 650-watt 14-speaker sound system rounds out the list of high-tech features