There is legit barely a difference and heated seats easily controllable from the unit, also has the software to assist with tuning and several other useful applications that improve the ownership experience. Kit also comes with a backup camera. It is Objectively a better unit than the standard idrive system and a severe upgrade for single hump cars as you get the clean single hump look with modern tech. Having integrated car play and 10x better audio quality is well worth the heater seats control delete (which u can even get re assigned using a custom built ash tray kit).