bmw 4dThe 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.Sporty attitude, coupe styling, dynamic driving – the BMW 4 Series has it all. Explore the Coupe, Gran Coupe, Convertible, and M4 Coupe and M4 Convertible.