OUR HEART AND SOUL. The BMW Vision Driving Experience – a non-production test rig powered by our next generation drivetrain and driving dynamics management technology. Codename: “Heart of Joy”. The in-house developed Heart of Joy control unit for the drivetrain, brakes, charging, recuperation, and steering functions processes information ten times faster than previous systems – providing hyper precise cornering, braking, and efficiency. The #NeueKlasse is coming.