bmw 4dBMW 7 Series Car Specifications ; Fuel Type, Petrol & Diesel ; Engine, 2993 cc & 2998 cc ; Power and Torque, 282 to 375 bhp & 520 to 650 Nm ; DriveTrain, RWD.The iX is the first BMW electric car to be equipped with the tweeter inherited from the 800 D4 range. The BMW iX is the first fully electric car to be equipped with the Diamond dome tweeter of the prestious English hi-fi brand Bowers & Wilkins.