I have driven many sports cars & I must say when comparing apple for apple this is by far the best in handling without sacrificing comfort. I drove my Z4 from New York to Florida (1200 miles) straight through with no discomfort & I am 63 years old. To sum it up, my Z4 is great in all category's. My next car will again be a Z4.
Performance, handling without sacrificing comfort, great exterior & interior design. I have never owned a car where I have gotten so many compliments as I do on the Z4.
Cup holders are not in the best place & possibly a larger glove box with locking device.