As the first European manufacturer to offer a THX Certified Car Audio system, the BMW Z4 Roadster and Coupe offer you an experience that combines state-of-the-art sound technologies with classic sports car design. In the BMW Z4, the speakers and subwoofers are just half of the equation. The other half is equipment performance, positioning and elegant acoustic interior design.

From the moment you buckle up, turn the key and hit play, the THX system will surround you and your passengers with brilliant musical performances. No matter what you listen to, the THX Certified Car Audio system will deliver the intensity and brilliance previously reserved for masterfully crafted home theaters.

THX II Certified Car Audio System
THX II 5.1 Surround System
Innovative Features