The Bluetooth module is designed for Z4. Simply plug the 16-pin connector into the socket on the back of the radio. Connect the red wire to 12V+ and the black wire to 12V-. Pair your mobile phone or tablet with the Bluetooth module, then select Aux on the radio to play music from your device through the car speakers. Compatible with phones, tablets, or MP3 players that have Bluetooth functionality.Fitment: For (E60): 5 Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring) 20042010 For (E63) (E64): 6 Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible) 20032010 For (E65) (E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li (including diesel engine models) 20022008 Compatible with M-ASK, ASK-CDS Suitable for 1 Series (E87, E88, E81, E82), 3 Series (E90, E91, E92) Suitable for MINI COOPER 20042010 Specifications: Voltage input: 5V12V DC Working current: 600mA Standby current: 20mA DAC resolution: 20bit Total harmonic distortion: 0.05% Signal to noise ratio: 90dB Frequency response: 20Hz20kHz Operating temperature: -35C to +75C Note: Includes built-in microphone Color: Black Material: Plastic and electronic components Package Contents: 1 x Bluetooth adapter 1 x Microphone Package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 13cm.