You didn't answer the iDrive question. I can find and fiddle with the knob/control, but I still need to look at the screen to figure out what actually happened. It's not like a simple volume knob which I can do without looking.
IOW a well-designed touchscreen UI can be better than a poorly designed non-touchscreen UI. And, unfortunately, most car infotainment systems are poorly-designed.
IOW a well-designed touchscreen UI can be better than a poorly designed non-touchscreen UI. And, unfortunately, most car infotainment systems are poorly-designed.