Description: The changer is compatible with single in-dash CD player- bringing a total of seven discs within your control at the touch of a button. Consult your local BMW center for trunk mounting options and installation costs. CD Changer Install Kit and Trunk Trim Panel also required. Trunk Trim Panel - Mounted out of sight in your trunk and providing hours of entertainment- this CD changer is controlled through your radio. COUPE. with navigation.